Tokei Denzan Corporation

The Mechanical Calculation Department was established at Tokyo Filter Co., Ltd., the parent company. IBM and PCDP were introduced to mechanize parts procurement, inventory management, and payroll calculation.

The Mechanical Calculation Department of Tokyo Filter Co., Ltd., which is the parent company, is established. Implemented mechanization of parts procurement, inventory management, and payroll using IBM and PCDP.

The department introduced IBM 360 Model 20. Achieved mechanization of total systems centered on production management.

The department introduced IBM 360 Model 20. Achieved mechanization of total systems centered on production management.

Established with members from Koda Certified Public Accountant Office for 5 million yen, starting sales of commissioned calculations.

Based on the Mechanical Calculation Department of Tokyo Filter Co., Ltd., with members from Koda Certified Public Accountant Office, established with 5 million yen, and started contract calculation sales.

Based on the Mechanical Calculation Department of Tokyo Filter Co., Ltd., with members from Koda Certified Public Accountant Office, established with 5 million yen, and started contract calculation sales.

Capital increased to 10 million yen.

Opened Chiba Sales Office in Funabashi City, Chiba Prefecture.

Celebrated the 5th anniversary and renamed the company Tokei Denzan Center Corporation.

Opened Nagoya Sales Office in Nakamura-ku, Nagoya City, Aichi Prefecture.

Started online services.

Increased capital to 50 million yen.

Started computer sales.

Signed a dealer agreement with Nippon Electric Co., Ltd. and started selling computers.

Signed a dealer agreement with Nippon Electric Co., Ltd., and started selling computers.

Started operation outsourcing for computer rooms and punching departments.

Established software division and started development of online programs.

Celebrated the 10th anniversary and renamed the company to ToKei Computer Co., Ltd. Established a software division and started developing online programs.

Celebrated the 10th anniversary and renamed the company to ToKei Computer Co., Ltd. Established a software division and started developing online programs.

Introduced high-speed Kanji printer and started development of Kanji system.

Started development of software for automatic design and technical calculations in the software division.

Started development of microcomputer software in the software division.

Established a system development department and started developing industry-specific systems.

Established a central sales office in Chiyoda-ku, Tokyo.

Increased capital to 125 million yen.

Increased capital to 150 million yen.

Established Osaka sales office in Higashi-ku, Osaka.

Increased capital to 200 million yen.

Established Tokyo Minami sales office in Minato-ku, Tokyo.

Increased capital to 250 million yen.

Established a distribution sales department and started the distribution VAN business.

Increased capital to 275 million yen.

Increased capital to 300 million yen.

Increased capital to 360 million yen.

Increased capital to 447.5 million yen.

Completed the company building in Nakahara-ku, Kawasaki City, Kanagawa Prefecture, and opened Nakahara Business Office.

Increased capital to 732.5 million yen.

Completed the company building in Ichikawa City, Chiba Prefecture, and opened Ichikawa Business Office.

Completed a company building in Ichikawa City, Chiba Prefecture. Opened Ichikawa Office.

Completed and relocated the headquarters building in Nakahara-ku, Kawasaki City, Kanagawa Prefecture.

Increased capital to 972.5 million yen.

Completed the company building in Chiyoda-ku, Tokyo, and opened Tokyo Business Office.

Completed a company building in Chiyoda Ward, Tokyo. Opened Tokyo Office.

Listed on the Tokyo Stock Exchange Second Section.

Increased capital to 1,370,150,000 yen.

Completed the first data center in Miyamae-ku, Kawasaki City, Kanagawa Prefecture, and opened Nogawa Business Office. Completed the company building in Nakamura-ku, Nagoya City, Aichi Prefecture, and opened Nagoya Business Office.

Completed the First Data Center in Miyamae-ku, Kawasaki City, Kanagawa Prefecture, and opened Nogawa Business Office. Completed a company building in Nakamura-ku, Nagoya City, Aichi Prefecture, and opened Nagoya Business Office.

Established the Mobara Sales Office in Mobara City, Chiba Prefecture.

Established the Ichihara Sales Office in Ichihara City, Chiba Prefecture.

Certified ISMS (Information Security Management System). Opened Musashino Sales Office in Musashino City, Tokyo.

Certified ISMS (Information Security Management System) at the First Data Center. Opened Musashino Sales Office in Musashino City, Tokyo.

Certified ISMS (Information Security Management System) at the First Data Center. Opened Musashino Sales Office in Musashino City, Tokyo.

Reclassified to the First Section of the Tokyo Stock Exchange.

Selected as a system credit stock on the Tokyo Stock Exchange.

Selected as a borrowed stock on the Tokyo Stock Exchange.

Established Miura Sales Office in Miura City, Kanagawa Prefecture.

Acquired Privacy Mark certification.

Established Utsunomiya Sales Office in Utsunomiya City, Tochigi Prefecture.

Established Dalian Dongji Software Co., Ltd. in Dalian, China.

Established Kawasaki No. 2 Business Office in Shinmaruko Higashi, Nakahara-ku, Kawasaki City.

Established Tachikawa Business Office in Tachikawa City, Tokyo.

The second data center in Kawasaki City, Kanagawa Prefecture, was completed.

Established TOUKEI (THAILAND) CO., LTD. in Thailand.

Started call center operations.

Established Iwaki and Fukushima Sales Offices in Fukushima Prefecture.

Carried out renovation and expansion of the head office building, completed.

Established Yashio Business Office in Yashio City, Saitama Prefecture.

Reiwa 8 Year December Quarter 1 Financial Results Briefing.

Exhibiting at EDIX Tokyo 2026.