Overview of our company

Balancing technological innovation and social contribution
Realization of a sustainable future

By utilizing reliable technology based on abundant experience, we are working on development every day with the goal of providing services that will continue to be loved by users for a long time. In addition to adopting the latest technology, we place priority on developing products that are easy to use from the user’s perspective, and creating services that consider the global environment.

Company name   Mamiya-OP Co., Ltd
Established   February 23, 1948 (founded in September 1931)
Representative Director and President   Masao Sekiguchi
Head office location   1-1 Shinko, Hanno City, Saitama Prefecture 357-8570
Tokyo head office location   Sumitomo Fudosan Shinjuku Central Park Tower, 6-18-1 Nishi-Shinjuku, Shinjuku City, Tokyo 160-0023
Capital   4,534.38 million yen (as of March 31, 2024)
Number of employees   1,519 (as of March 31, 2024)
Stock code   7991
Listed exchange   Standard Market, Tokyo Stock Exchange
Group business  

▪ Manufacture and sale of electronic equipment
▪ CR Unit
▪ Ticket-vending machine
▪ Banknote transport system equipment
▪ Bill Validator
▪ Medal/coin hopper
▪ IC card reader / writer
▪ Thin film thickness gauge
▪ Physical random number generator

▪ Golf shaft
▪ Blocking rod
▪ Arrows and bows (for Western bows)
▪ Vault pole

Real estate
▪ Buying, selling, leasing (including storage rooms), brokerage, management, etc. of real estate

▪ Automatic lawn mower (Scarobo)
▪ System solution
▪ Mobile ordering system

Officer list  
Representative Director and President
Masao Sekiguchi
Managing Director
Tsunehiro Higuchi
Managing Director
Takanori Shinoda
Fujiya Mizutani
Yoshio Teramoto
Yuji Kawabe
Standing Audit & Supervisory Board Member
Makoto Fukuta
Audit & Supervisory Board Member
Yuzo Takada
Audit & Supervisory Board Member
Satoshi Kinoshita
Net sales (consolidated)   27,394 million yen (from April 1, 2023 to March 31, 2024)
Electronics:    22,698 million yen
Sports:           4,542 million yen
Real Estate:      155 million yen