Company Outline

Message

Continuing to build trust with our customers with our technological expertise and
human resources. These are the sources of growth at Yamamoto Seisakusho.

Since its founding, Yamamoto Seisakusho has delivered high-value-added and high-precision products to customers with stable quality, centering on fine blanking as a precision stamping processing manufacturer. We manufacture and deliver very high-level prototypes, develop products, and new products from customers at tight lead time to meet customer needs. In addition, we continue to grow as a result of the tireless efforts of our employees.

The world environment is changing at a faster pace, especially as the revolution of automobiles has begun. We will continue to refine our technological capabilities and speed to respond to customer needs, while incorporating manufacturing technology that meets the needs of our customers and society. We aim to build a foundation for sustainable growth and to be a company where employees can work safely and securely.


President 

Noboru Masaki

Company Profile

Company NameYamamoto Seisakusho, Inc.
Headquarters88-26, Shingo,Higashimatsuyama-shi, Saitama 355-0071
FoundingSeptember 1967
Capital98 million yen
PresidentNoboru Masaki
Line of business
  • Manufacture and sale of automobile-related safety and security parts, etc.
  • Precision automatic press processing
  • Fine blanking press working
  • Various precision molds sale
Main trading bank
  • Musashino Bank Higashimatsuyama Branch
  • Mizuho Bank Nagoya Branch
  • Saitama Resona Bank Higashimatsuyama Branch
  • Ashikaga Bank Kumagaya Branch
  • Japan Finance Corporation Saitama Branch

History

1967
Founded Yamamoto Seisakusho, Inc.
Started the business on designing and manufacturing the precise automatic press dies mainly.
1969
Expanded the automatic press working plant and started the press working.
1971
The introduce a transfer press machine and concentrated on the business of the automatic press working.
1973
Developed the broaching system by the press machine.
1976
The introduce a wire EDM[Electric Discharge Machine], and Promoted the NC[Numerical Control] machining for the Press dies and expanding the sales of press dies by the Specialized business organization.
1977
Equipped a multi-forming machine and expanded the plastic working field.
1978
Moved to the present location in Higashimatsuyama Industrial complex. Changed the organization from a limited company to a corporation. And increased the capital to 30,000,000 yen.
1979
The introduce ESSA's 250t fineblanking press machine with the development of the fineblanking press dies, and advanced into the new field of pressworking.
1983
Expansion Feintool's 400t press machine.
1986
Expansion Mori IronWork's 250t and KawasakiYuko's 400t fineblanking press machines. Total seven fine-blanking press machines were available.
The introduce a N0.4Jig-grinder made by Mitsui Precision. And a temperature-controlled room at the same time construction work completed.
1993
Established YAMAGATA PLANT.
1994
The introduce Japan's largest 1200t fineblanking machine in the head office plant.
1995
Established an overseas affiliate [Yamamoto FB Engineering, Inc.] in Kentucky, USA
1996
Established the head office second plant
2001
Established ENA PLANT.
2003
Established Prototype Development Technology Center with Nippon Institute of Technology inside the university to make use of IT.
2003
Ena Plant expansion.
2006
Ena Plant Second expansion.
2008
Terminated joint reserch and development with Nippon Institute of Technology.
2015
Jointed Tochu Group.
2023
Appointed Noboru Masaki as President.

Officer

Chairman & Director
Seiya Koike
President & Director
Noboru Masaki
Director
Seiji Chikuma
DirectorTakeshi Morita
DirectorNobuhiro Mantani
AuditorAkio Yoneda

Factory&Plant

Factory&Plant