PowderTech Co., Ltd.

Initiated basic research on iron powder (activated iron).

Established as a dedicated iron powder manufacturer in Tomari Town, Toyama Prefecture. Research on iron powder: study of highly activated iron powder through low-temperature smelting of iron. As a pioneer venture company, we established Hokuriku Chemical Co., Ltd., the predecessor of our company, and began full-scale production of iron powder and sale of activated carbon (a byproduct of the iron powder manufacturing process).

Establishment of Hokuriku Kako Co., Ltd., in Toyama for production and R/D of iron powder and activated carbon.

Founded Hokuriku Chemical Co., Ltd. (Toyama Prefecture); began research on iron powder and activated carbon production.

Founded as the only iron powder specialty manufacturer in Tomari Town, Toyama Prefecture, Japan.

Completion of Kashiwa Plant in Chiba.

Constructed a new plant in Kashiwa City, Chiba Prefecture.

Relocated to Kashiwa City, Chiba Prefecture.

For powder cutting (1956): Conducted joint research with the Ministry of Transport Technical Research Institute on iron powder for stainless steel cutting. Expanded sales of cutting iron powder for continuous casting to various companies.

Successful development of steel powder by nitriding pulverization.

Developed steel powder using nitriding pulverization method.

For welding rods (1957): Developed iron powder with a thick iron oxide coating on the particles to enhance insulation. Used for welding rods in shipbuilding and other applications.

Manufactured and sold sponge iron using rotary kiln direct reduction method with iron ore as raw material.

Production and marketing of sponge iron made from iron ore by direct rotary kiln reduction process.

Produced and sold sponge iron using rotary kiln direct reduction method with iron ore as raw material.

For copper mine sludge copper recovery (1958): Jointly developed with the Department of Mining, Iwate University. Developed iron powder capable of high-yield recovery of precipitated copper by combining a screening plate and wet magnetic separation.

For chemical reduction (1958): Developed as a reducing agent in the manufacturing process of dye intermediates, and opened the market.

For perforation and cutting (iron powder gun) (1958): By passing iron powder and oxygen through a steel pipe with an inner diameter of 10-15 mm and igniting at the tip for ejection, it can perforate and cut through concrete or rock. Used for repairing concrete bridge piers in railways and furnace repairs in steel mills.

Changed company name to Nihon Tokushu Tetsunomi Co., Ltd. and began prototype production of spherical iron powder.

Company was renamed Nippon Special Iron Powder Co., Ltd. Commenced trial production of spherical iron powder.

Changed company name to Nihon Special Iron Powder Co., Ltd., and began prototyping spherical iron powder.

Company was renamed Nippon Special Iron Powder Co., Ltd.

Commenced trial production of spherical iron powder.

Developed a violet-colored oxidation coating method as a surface treatment for iron powder, and began commercial sale of iron powder carriers treated with this method, along with the spherical iron powder developed the previous year, for use in electronic photography.

Development of oxidization process for surface-treating iron powder. Marketing of toner carriers for electrophotography using the technology with the spherical iron powder developed in the previous year.

Developed a violet-colored oxidation coating method as a surface treatment for iron powder, and began commercial sale of iron powder carriers using this method along with the spherical iron powder developed the previous year for photographic use.

Magnetic flaw detection iron powder (1961): Developed magnetic flaw detection iron powder with a violet-colored oxide film treatment on the iron powder surface.

Development of oxidization process for surface-treating iron powder.

Marketing of toner carriers for electrophotography using the technology with the spherical iron powder developed in the previous year.

Launched marketing of iron powder for powder metallurgy.

Commercialized iron powder for powder metallurgy.

Established Nihon Tetsunomi Co., Ltd. through joint investment by Mitsui Mining Co., Ltd. and Nanyu Trading Co., Ltd., with a capital of 100 million yen, taking over the business of Nihon Tokushu Tetsunomi Co., Ltd.

Establishment of Nippon Iron Powder Co., Ltd., with capital of ¥100 million jointly by Mitsui Mining Smelting and Nanyu Shosha to succeed the businesses of Nippon Special Iron Powder.

Established Nihon Iron Powder Co., Ltd. through joint investment by Mitsui Metal Mining Co., Ltd. and Nanyu Trading Co., Ltd., with capital of 100 million yen, taking over the business of Nihon Special Iron Powder Co., Ltd.

Improved spherical iron powder and began commercial sale for facsimile use. Commenced mass production of improved powder metallurgy iron powder TC-24.

Marketing of spherical iron powder improved for facsimile machine. Volume production of iron powder, TC-24, for powder metallurgy.

Improved spherical iron powder and began commercial sale for faxing use.

Commenced mass production of improved iron powder TC-24 for powder metallurgy.

Marketing of spherical iron powder improved for facsimile machine.

Volume production of iron powder, TC-24, for powder metallurgy.

Commenced full-scale sales of iron powder for electronic photography.

Full-scale production and marketing of iron powder for electrophotography.

Started full-scale sales of iron powder for photographic use.

Developed a simultaneous production method for sponge iron and activated carbon.

Simultaneous production method developed for sponge iron and activated carbon.

Developed a simultaneous production method for sponge iron and activated carbon.

Acquisition of adjacent state-owned land (10,000 m²).

Acquisition of adjacent land (10,000m²) owned by the national government.

Acquisition of adjacent state-owned land (10,000 m²).

Developed shape processing technology for flattening and spherical shaping of irregular carriers.

Develops technology to shape irregular type carrier into flat shaped carrier or spherical carrier.

Developed shape processing technology for flattening and sphericalizing irregular carriers.

Commenced mass production of compressed improved powder for powder metallurgy.

Full-scale production and marketing of iron powder for powder metallurgy with improved compressibility.

Commenced mass production of compressed improved powder for powder metallurgy.

Developed resin-coated carriers for electronic photography and magnetic powders.

Develops resin coated carrier and magnetized powder for electrophotography.

Developed resin-coated carriers for photographic use and magnetic powder.

Enhanced production capabilities for iron powder carrier.

Enhancement of iron powder carrier production equipment

Completed practical implementation of ferrite carriers.

Perfected ferrite carrier for practical application.

Completion of practical implementation of ferrite carrier

Constructed a ferrite carrier plant and commenced full-scale sales of ferrite carriers.

Completed ferrite carrier plant. Full-scale production and marketing of ferrite carrier for electrophotography.

wrinkletype

smoothtype

Construction of ferrite carrier plant

Full-scale sales of ferrite carrier commence

wrinkletype smoothtype

Completed ferrite carrier plant.

Full-scale production and marketing of ferrite carrier for electrophotography.

Secured factory land (64,000 square meters) in Takahagi City, Ibaraki Prefecture.

Added a plant site in Takahagi city, Ibaraki.

Secured factory site (64,000 sqm) in Takahagi City, Ibaraki Prefecture

Started prototype development of the deoxygenant (Wonder Keep).

Trial production of oxygen absorber (WonderKeep®) commenced.

Prototype start of deoxygenant (Wonder Keep)

Established the U.S. subsidiary POWDERTECH CORP. and acquired the ferrite business division of Titan Corporation.

Established Powdertech Corporation, a wholly owned U.S. subsidiary after Nippon Iron Powder acquired the Titan Advanced Materials Division of Titan Corporation.

Establishment of U.S. subsidiary POWDERTECH CORP.

Renamed company to PowderTech Co., Ltd., increased capital to 585 million yen

Changed the company name to PowderTech Co., Ltd. and increased capital to 585 million yen.

Company was renamed Powdertech Co., Ltd., with the capital increased to ¥585 million.

Registered shares at the Japan Securities Association

Registered shares with the Japan Securities Association and increased capital to 1.557 billion yen.

Company made public offering on the OTC stock market operated by Japan OTC Securities. Capital increased to ¥1,557 million.

Capital increased to 1.57 billion yen

Construction of Wonder Keep Takahagi plant

Constructed the Wonder Keep Takahagi plant and established subsidiary PTS Co., Ltd.

Completed Takahagi Plant (for WonderKeep®). Established PTS, a wholly owned subsidiary.

Established subsidiary, PT S Co., Ltd.

Completion of new headquarters

Completed Takahagi Plant (for WonderKeep®).

Established PTS, a wholly owned subsidiary.

Completed the new headquarters. Registered ISO 9001 audit (JCQA-0057) for the carrier division and expanded ferrite carrier production equipment.

The carrier business was certified ISO9001. Enhanced the production capabilities for ferrite carrier.

ISO 9001 audit registration (JCQA-0057) for the carrier business division

Enhancement of ferrite carrier production equipment

Completion of practical implementation of eco-friendly carrier (EF ferrite carrier)

The carrier business was certified ISO9001.

Enhanced the production capabilities for ferrite carrier.

Completed the practical implementation of the environmentally friendly carrier (EF ferrite carrier).

Perfected environmentally friendly (EF) ferrite carrier for electrophotographic application.

Construction of EF ferrite carrier plant

Constructed the EF ferrite carrier plant.

Completed a plant exclusively for the EF ferrite carrier.

Consolidated carrier production in Japan (Kashiwa plant)

Sold the U.S. subsidiary POWDERTECH CORP. Consolidated carrier operations in Japan (Kashiwa plant). Established the U.S. sales subsidiary POWDERTECH INTERNATIONAL CORPORATION. Made Musashi Industries Co., Ltd. a subsidiary. Obtained ISO 9001 certification across all divisions (scope expanded).

Sold Powdertech Corporation, locating the carrier production in the U.S. to Kashiwa Plant of the parent company. Established Powdertech International Corporation, a wholly owned U.S. subsidiary for international sales and marketing. Company wholly owned Musashi Sangyo Co., a trading house for the domestic market. All business units certified ISO9001.

Sale of U.S. subsidiary POWDERTECH CORP.

Centralize production of the carrier business in Japan (Kashiwa plant)

Established the U.S. sales subsidiary POWDERTECH INTERNATIONAL CORPORATION.

Made Musashi Sangyo Co., Ltd. a subsidiary.

Obtained ISO 9001 certification across all departments (expanded certification scope).

Sold Powdertech Corporation, locating the carrier production in the U.S. to Kashiwa Pl6ant of the parent company.

Established Powdertech International Corporation, a wholly owned U.S. subsidiary for international sales and marketing.

Company wholly owned Musashi Sangyo Co., a trading house for the domestic Market.

All the business units were ISO9001 certified.

Divided the deoxygenant-related business and established Wonder Keep Takahagi Co., Ltd. Obtained ISO 14001 certification across all divisions (JCQA-E-0489).

All business units certified ISO14001. Spun off the oxygen absorber business into Wonderkeep Takahagi Co., a wholly owned manufacturer of WonderKeep®.

Divided the deoxygenizer-related business and established Wonder Keep Takahagi Co., Ltd.

Obtained ISO 14001 certification across all departments (JCQA-E-0489).

All the business units were ISO14001 certified.

Spun off the oxygen absorber business into a newly created Wonderkeep Takahagi Co., a wholly owned manufacturer of WonderKeep®.

Listed shares on the JASDAQ Stock Exchange. Initiated company-wide Total Productive Maintenance (TPM) activities.

Company listed on JASDAQ operated by JASDAQ Securities Exchange Inc. Launched company-wide Total Productive Maintenance (TPM).

Listed shares on the JASDAQ Stock Exchange.

Initiated company-wide Total Productive Maintenance (TPM) activities.

Company was listed on JASDAQ, a securities exchange, operated by JASDAQ Securities Exchange Inc, which originated with Japan OTC Securities.

Launched a company-wide Total Productive Maintenance (TPM).

Enhanced the EF ferrite carrier production capability to 400 tons monthly.

Expanded EF ferrite carrier production facilities.

Obtained OHSAS 18001 certification across all divisions (JCQA-O-0040).

All business units certified OHSAS 18001.

Obtained OHSAS 18001 certification across all departments (JCQA-O-0040).

All the business units were OHSAS 18001 certified.

Concluded TPM activities after receiving the first-class TPM Excellence Award. Selected by the Ministry of Economy, Trade and Industry as one of the 300 energetic small and medium-sized manufacturing companies supporting tomorrow's Japan.

Company awarded Excellence TPM Award. Selected by METI as one of the “300 Strongest Small-Medium Sized Enterprises”.

Concluded TPM activities after receiving the TPM Excellence Award Category 1.

Selected by the Ministry of Economy, Trade and Industry as one of the 300 energetic small and medium-sized manufacturing companies supporting tomorrow's Japan.

Company was awarded Excellence TPM Award to finish the movement.

Selected by The Ministry of Economy, Trade and Industry (METI) as one of the “300 Strongest Small-Medium Sized Enterprises”.

Following the merger of the JASDAQ Stock Exchange and the Osaka Stock Exchange, listed shares on the Osaka Stock Exchange (JASDAQ market). Listed shares on Osaka Stock Exchange JASDAQ (Standard) following the integration of Osaka Stock Exchange markets. Acquired adjacent factory land (9,000 square meters).

Listed on JASDAQ market operated by Osaka Security Exchange after acquisition of JASDAQ Securities Exchange Inc. Listed on its Standard Section after market restructuring. Acquired an adjacent plant site (9,000m²).

Listed shares on the Osaka Stock Exchange (JASDAQ market) following the merger of the JASDAQ Stock Exchange and Osaka Stock Exchange.

Listed shares on Osaka Stock Exchange JASDAQ (Standard) following the integration of Osaka Stock Exchange markets.

Acquired adjacent factory site (9,000 m²).

As a result of acquisition of JASDAQ Securities Exchange Inc., by Osaka Security Exchange Co., Company was listed on JASDAQ market operated by Osaka Security Exchange.

As a result of smaller stock markets integration by Osaka Security Exchange, Company was listed on its Standard Section on JASDAQ market.

Acquired an adjacent plant site (9,000m²).

Following the integration of the physical markets of the Tokyo Stock Exchange and Osaka Stock Exchange, listed shares on the Tokyo Stock Exchange JASDAQ (Standard). Absorbed Musashi Industries Co., Ltd. (100% consolidated subsidiary).

Due to creation of Japan Exchange Group (JPX), listed on JASDAQ Standard Section operated by Tokyo Stock Exchange Inc., owned by JPX.

Listed shares on Tokyo Stock Exchange JASDAQ (Standard) following the integration of the physical markets of the Tokyo Stock Exchange and Osaka Stock Exchange.

Due to creation of Japan Exchange Group (JPX) from the merger of the Tokyo Stock Exchange group and Osaka Securities Exchange Co., Company was listed on JASDAQ Standard Section operated by Tokyo Stock Exchange Inc., owned by JPX.

Company absorbed Musashi Sangyo Co., a wholly owned domestic sales arm.

Absorbed Musashi Sangyo Co., Ltd. (100% consolidated subsidiary).

Company absorbed by merger Musashi Sangyo Co., a wholly owned domestic sales arm.

Expanded EF ferrite carrier production equipment on the adjacent factory land acquired in 2010.

Completed a new plant to further enhance production capabilities for EF carrier on the adjacent site acquired in 2010.

Expanded EF ferrite carrier production facilities on the adjacent factory site acquired in 2010.

Celebrated the 50th anniversary of establishment.

Marks the 50th anniversary of the founding of Powdertech.

Celebrated 50th anniversary of establishment.

Surpassed sales of 10 billion yen (FY March 2017). Reduced the par value from 1,000 shares to 100 shares and carried out a share consolidation of 5 ordinary shares into 1 share.

Exceeds sales of 10 billion yen. Changes the number of shares per share unit from 1,000 to 100, and consolidates its common shares on basis of one for every five shares. Selected by METI as one of the “Companies Driving Regional Growth”.

Surpassed sales of 10 billion yen (FY March 2017).

Implemented a share consolidation, changing the par value from 1,000 shares to 100 shares, and consolidating 5 ordinary shares into 1 share.

Selected as a 'Regional Future Leading Company' by the Ministry of Economy, Trade and Industry.

Exceeds sales of 10 billion yen. (FY2017)

Changes the number of shares per share unit from 1,000 to 100, and consolidates its common shares on basis of one for every five shares.

Selected by METI as one of the “Companies Driving Regional Growth”.

Selected as a 'Regional Future Leading Company' by the Ministry of Economy, Trade and Industry.

Selected by METI as one of the “Global Niche Top Companies Selection 100 in FY2020”.

Selected as one of the '2020 Global Niche Top 100 Companies' by the Ministry of Economy, Trade and Industry.

Selected by METI as one of the “Global Niche Top Companies Selection 100 in FY2020”

Selected as one of the '2020 Global Niche Top 100 Companies' by the Ministry of Economy, Trade and Industry. Dissolved the 100% subsidiary PT S Co., Ltd., and transferred all its operations to our company. Moved to the Tokyo Stock Exchange Standard Market following the market classification restructuring of the Tokyo Stock Exchange. Withdrew from the iron powder sales business.

PTS, non-consolidated wholly-owned subsidiary, is dissolved and Powdertech takes over all operations. Transferred to the Standard Market on the Tokyo Stock Exchange following a market segments restructuring by Tokyo Exchange Market, Inc. Withdrawal from iron powder sales business.

Dissolved the non-consolidated 100% subsidiary, PT S Co., Ltd., and took over all its operations.

Transitioned to the Tokyo Stock Exchange Standard Market following the market classification reorganization by the Tokyo Stock Exchange Co., Ltd.

Withdrawn from the iron powder sales business.

Fully renovated the welfare and benefits building.

PTS,non-consolidated wholly-owned subsidiary, is dissolved and Powdertech takes over all operations.

Transferred to the Standard Market on the Tokyo Stock Exchange following a market segments restructuring by Tokyo Exchange Market, Inc.

Withdrawal from iron powder sales business.

Certified as a Healthy Management Excellence Corporation (SME Division).

Issued an integrated report.

Celebrated its 60th anniversary.