Open company graph database — free web & API
Login

Iwatuka Confectionery Co., Ltd.

岩塚製菓株式会社
Ticker
Listed market
TYO
Country
Japan
Employees (consolidated)
889
Related companies
13
§01

Basic information

BASIC
Head office
2958 Iizuka, Nagaoka City, Niigata Prefecture
Chief executive
Daisuke Maki
Capital
1,634,750,000  (16 100 million)
Employees (non-consolidated)
600 people
Employees (consolidated)
889 people
Start date
1954-04-27
End date
§02

Websites

1 DOMAINS
§03

Business

11
Manufacture of rice crackersImport and sale of rice crackersManufacture and sale of rice crackersSale of premium rice crackersMail order sales of rice crackersSale of agricultural products and processed agricultural productsManufacture and sale of karintouImport and sale of confectionery and food productsPR for rice crackersPlanning, manufacturing, and sales of confectionery productsManufacture and sale of confectionery products
§04

Related companies

13 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Wangwang Enterprise Group
Group Alliance
IWATSUKA USA Inc.
Group Subsidiary
Iwatuka Agriculture Processing Plant Co., Ltd.
Group
Echigo Sho Co., Ltd.
Group Subsidiary
Zuika Co., Ltd.
Group Subsidiary
Niigata Mino Ramen Main Shop Co., Ltd.
Group Subsidiary
Tanabe Confectionery Co., Ltd.
Group Subsidiary
Want Want Japan Co., Ltd.
Group Alliance
台湾の宜蘭食品工業股份有限公司(現在の旺旺集団)
Group Alliance
WANT WANT CHINA HOLDINGS LIMITED.
Group
Satoyama Genki Farm Co., Ltd.
Group Subsidiary
WANT WANT HOLDINGS LIMITED
Alliance
WANT WANT HOLDINGS LIMITED.(現在のWANT WANT CHINA HOLDINGS LIMITED.)
Alliance
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§06

History

39 EVENTS

Founded Iwatuka Agricultural Processing Plant.Sources

Founded Iwatuka Agricultural Processing Plant. Started making caramel using sweet potatoes (satsuma imo) harvested locally. As a result of efforts to make delicious caramel, two types of caramel won first place at a judging contest.Sources

Started making caramel using sweet potato (satsuma imo) harvested locally. As a result of efforts to make delicious caramel, two types of caramel won first place at a tasting competition.Sources

Established a corporate organization and founded Iwatuka Agricultural Processing Co., Ltd.Sources

Established a corporate organization and founded Iwatuka Agricultural Processing Co., Ltd.Sources

Registered the company's stock as an over-the-counter stock with the Japan Securities Dealers Association.Sources

Established Niigata Aji Noren Honpo Co., Ltd., with 100% investment from our company.Sources

Completed Chitose Factory (currently Hokkaido Factory). Closed Kobato Nursery School.Sources

Completion of Employee Training Center.Sources

Completion of Employee Training Center.Sources

Established joint venture 'Wang Wang Japan Co., Ltd.' in Tokyo.Sources

Established Etsugeshou Co., Ltd., specializing in corporate sales of rice crackers, with 100% investment from our company.Sources

Obtained ISO14001 international environmental management certification for Sawashimo-jo Factory. Acquired and started operation of Nagaoka Factory in Nanyo, Nagaoka City. Cancelled over-the-counter registration with the Japan Securities Dealers Association and listed shares on the JASDAQ Securities Exchange.Sources

Obtained ISO14001 international environmental management certification for Sawashimo-jo Factory.Sources

Established a joint venture company "WANT WANT Japan Co., Ltd." in Tokyo with (currently WANT WANT CHINA HOLDINGS LIMITED).Sources

The greatest crisis hit Iwatsuka Seika.Sources

On October 23, 2004, at 5:56, the Niigata Chuetsu Earthquake with a magnitude of 6.8 occurred. The Iwatsuka Seika factory, which was close to the epicenter, suffered catastrophic damage.Sources

On October 23, 2004, at 5:56, the Niigata Chuetsu Earthquake with a magnitude of 6.8 occurred.Sources

Relocated headquarters to Ura, Nagaoka City, Niigata Prefecture. Completed East Building of Iizuka Factory.Sources

Relocated the head office to Ura, Nagaoka City, Niigata Prefecture.Sources

Completion of the East Building of Iizuka Factory.Sources

Completed R&D Center as a research and development base.Sources

Closed the West Building of Iizuka Factory and integrated it into the East Building, now called Iizuka Factory.Sources

Obtained ISO14001 certification for headquarters, Iizuka Factory, Nakazawa Factory, Nagaoka Factory, Chitose Factory (current Hokkaido Factory), and R&D Center.Sources

Obtained ISO22000 food safety management system certification for Iizuka Factory, Sawashimo-jo First Factory, and Manufacturing Headquarters. Listed on JASDAQ following the merger of the Osaka Securities Exchange and the JASDAQ Securities Exchange.Sources

Established "Satoyama Genki Farm Co., Ltd." with 100% investment, which sells agricultural products and processed agricultural products centered on rice.Sources

Started using 100% domestically produced rice for 32 product items, including main products. Launched 'Tomorrow Connect Project' in response to the Great East Japan Earthquake.Sources

Started using 100% domestically produced rice for 32 product items including main products.Sources

Launched the "Connect to Tomorrow Project" in response to the Great East Japan Earthquake.Sources

Established Etsugeshou Co., Ltd., specializing in corporate sales of rice crackers, with 100% investment from our company.Sources

The Great East Japan Earthquake that occurred in 2011.Sources

Employees with disaster experience could not stay still and visited disaster areas with the "Fried Fresh-chan Go" to deliver freshly made rice crackers.Sources

And launched the Connect to Tomorrow Project.Sources

Established "IWATSUKA USA Inc." with 100% investment from our company.Sources

Obtained FSSC22000 certification for Iizuka Factory.Sources

Renamed Chitose Factory to Hokkaido Factory. Established "IWATSUKA USA Inc." with 100% investment to expand business toward the North American market.Sources

Completed new Nagaoka Factory, closed Nakazawa Factory, and relocated to the new Nagaoka Factory. Moved headquarters to Iizuka, Nagaoka City, Niigata Prefecture.Sources

Completion of the Nagaoka new factory, closure of Nakazawa factory, and relocation to the Nagaoka new factory.Sources

Relocated the head office to Iizuka, Nagaoka City, Niigata Prefecture.Sources

§07

News

25 ARTICLES

Fuwatto Sukiyaki Flavor (Limited Time)Sources

Product information for 'Fuwatto Sukiyaki Flavor (Limited Time)' is listed.

THE Hitotsumami Spicy Chicken Flavor [Limited Time]Sources

Product information for “THE Hitotsumami Spicy Chicken Flavor [Limited Time]” is provided.

Kinki University × Iwatsuka Seika Industry‑Academia Collaboration Project, 3rd EditionSources

The industry‑academia collaboration project jointly conducted by Iwatsuka Seika Co., Ltd. and Kinki University was announced as the third installment. This project provides content that allows users to experience a factory tour online and introduces products.

Iwatsuka Confectionery Announces Product Price RevisionsSources

Iwatsuka Confectionery Co., Ltd. announced product price revisions on September 8, 2026. The article also includes sections on the online factory tour and product introductions.

Salt Rice Crackers with the Fragrant Flavors of Dashi and RiceSources

Iwatsuka Confectionery Co., Ltd. introduced salted rice crackers that bring out the flavors of dashi and rice. The product announcement also provides an online factory tour link. The product was announced on September 8, 2026.

Kuromame Warisen: Rich Miso Flavor Now on SaleSources

Iwatsuka Confectionery Co., Ltd. launched Kuromame Warisen in Rich Miso Flavor on September 8, 2026. The new product features a rich miso taste. The official website includes a virtual factory tour and product information.

Iwatsuka Confectionery Announces Second Collaboration with Drama Oishii Kyushoku Season 4Sources

On September 8, 2026, Iwatsuka Confectionery Co., Ltd. announced a second collaboration with the drama Oishii Kyushoku Season 4. The collaboration is expected to include an online factory tour and product introductions.

Iwatani Confectionery Certified by METI as a DX-Certified Business OperatorSources

Iwatani Confectionery Co., Ltd. was certified by the Ministry of Economy, Trade and Industry as a DX-certified business operator. The announcement was made on September 8, 2026. See the official website for details.

Notice of price revisions for company productsSources

Iwatani Seika Co., Ltd. announced product price revisions on September 8, 2026. See the official website for details.

Salt rice crackers with fragrant dashi and rice flavors announcedSources

Iwatani Seika Co., Ltd. announced the salt rice crackers with fragrant dashi and rice flavors on September 8, 2026. A virtual factory tour and product information are planned for the website.

§08

Public records

GOV
National Tax Agency basic information5110001023736
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
岩塚製菓株式会社
Trade name (kana)
イワツカセイカ
Name in English
Corporation type
301
Address
〒949-5414 新潟県長岡市飯塚2958番地
Postal code
9495414
Prefecture code
15
City code
202
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2021-03-04
Change date
2021-03-01
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
12
Correction type
0
Trade name image ID
Address image ID
Sequence number
3014856
METI gBizINFO5110001023736
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
5110001023736
Trade name
岩塚製菓株式会社
Trade name (kana)
イワツカセイカ
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
新潟県長岡市飯塚2958番地
Postal code
9495414
Prefecture
新潟県
Prefecture code
15
City or district
長岡市
City code
202
Street address
飯塚2958番地
Organisation type
301
Processing type
12
Correction type
0
Status
Representative
代表取締役社長 COO  槇 大介
Capital
1634750000
Employees
862
Employees (male)
Employees (female)
Business summary
Website URL
Year founded
Business category
E:製造業
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date
2021-03-04
Key information
5110001023736
§09

Sources & updates

SOURCES
↑