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Message

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

Ever since our founding in 1967, we here at Yamamoto have striven to deliver high-quality products to meet the various needs of our customers as one of the leading fineblanking companies.
We pride ourselves on continuing to earn the trust of our customers through our unique technical expertise and the employees we foster through our education programs.
Our three domestic facilities in Higashimatsuyama, Ena, and Sagae, and our US subsidiary in the state of Kentucky produce extremely precise, high value-added pressed parts using the latest fineblanking machines.
Streamlined communications between facilitates – including our factory in the United States – and centralized management that encompasses everything from receiving orders to die design, mass production, and product delivery enable us to significantly reduce delivery time.
We aim to continue creating environmentally responsible facilities where employees can demonstrate their abilities in a safe and secure workplace while continuing to respond meticulously to the needs of our changing society.

President　Seiya Koike

Company Outline

Company Name	Yamamoto Seisakusho, Inc.
Headquarters	88-26, Shingo,Higashimatsuyama-shi, Saitama 355-0071
Founding	September 1967
Capital	98 million yen
President	Seiya Koike
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 Kawagoe Branch Bank of Tokyo-Mitsubishi UFJ Nishi-lkebukuro Branch Saitama Resona Bank Higashimatsuyama Branch Ashikaga Bank Kumagaya Branch Japan Finance Corporation Saitama Branch

Quality control

A system for the best quality and thorough daily control.

Based on ISO 9001 (Quality Management Systems) which it was certified for in 1999, Yamamoto Seisakusho focuses its efforts on making systems that can produce superior products and thorough daily control. When starting the production of new products or modifying products, we confirm and verify all aspects of the conditions concerning the product. In this way, we are able to produce the highest quality products that our customers demand.

Educating Engineers

Developing professionals with abundant creativity and flexibility.

Developing superior engineers is the most important management strategy for Yamamoto Seisakusho that believes that its technological ability is its greatest strength. The focus is on steadily improving the ability of each engineer as a member of a professional group. To that end, while we place the most emphasis on learning in the work place, we also conduct many different programs to widen the scope of our engineers, such as various external training courses and lectures, and going to various trade shows. We are developing real engineers who have an abundance of creativity and flexibility.

Challenging our Factories

Increasing our competitiveness to maintain the solid trust of our customers.

Yamamoto Seisakusho is involved in many different activities, mainly at our Head office Plant, to improve our quality, delivery and cost competitiveness. The main pillars of these activities are the Quality Challenge that is aimed at achieving zero defects in production, an ideal work environment that we can boast about to our customers, and a speedy production system that can cope with high-mix, small lot production. Our future depends on winning the solid trust of our customers.

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 NO.4 Jig-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.
2020	Appointed Seiya Koike as President.