About Us

Our company’s guiding precepts is to continually contribute to society. We have been holding up this ideal since we were established in 1982. To realize this ideal we have been trying to improve our skills and knowledge to better meet our customer’s needs.

Our company is an all-around manufacturer. Special environmental control technologies such as vacuum, pressurization, steaming and heating are applied to all our products. We manage the manufacture of our products from the earliest stage to the last, from creation to designing and production. In this way, we can ensure that our original machines satisfy our customer’s needs.

Twenty-five years have passed since our company was established. We will continue our firm determination to improve ourselves with pride and enthusiasm. In addition, we are confident that innovations in high technologies will provide boundless possibilities for us to create new original products to meet our customer’s diverse needs.

Masaru Kawahara, The chairman of the Board
October 1982 Established with Capital of JPY 3,000,000.
January 1983 Pressure Cooker Test System for semiconductors released
December 1986 Authorized by Germany Safety Association.
November 1988 Capital increased to JPY 10,000,000
October 1990 Authorized as the class 1 pressure vessel manufacturer (300kgf/cm2)
February 1992 High Pressure Fuel Injector released
November 1992 Vacuum & Pressure Hot Press released
October 1994 LC Injection Machine released
April 1996 High Temperature and Pressure Equipment for Organic Material released (800 degree C, 300 kgf/cm2)
October 1996 High Pressure Gas Supply System released (450 kgf/cm2)
April 1997 Patent for Vacuum and Heating Method and Machine granted
June 1998 New Building of Head Office and Factory completed
May 1999 Patent for Sealing of Vacuum and High Pressure Vessel granted
June 1999 Capital increased to JPY 40,000,000.
June 1999 Investment decision made by Saitama-ken Creative Enterprise Investment Fosterage Foundation
October 1999 Honbasu Factory started (production capacity increased to 4 times as much)
December 1999 Authorized as a specific new business by the Ministry of International Trade and Industry
February 2000 Capital increased to JPY 65,000,000 with investment by the Ministry of Finance and the Ministry of International Trade and Industry
February 2000 Received Debit Guarantee by the Ministry of Finance and the Ministry of International Trade and Industry
March 2000 Capital increased to JPY 161,250,000
October 2000 Honbasu-minami Factory and Environmental Control Technology Laboratory completed
May 2001 Capital increased to JPY 223,690,000
February 2003 Capital increased to JPY 318,240,000
July 2004 Boiler and Pressure Vessel Manufacture License of P.R. China(ML) granted
July 2005 ‘Development of Large-size Glass Panel Airflow Transport Equipment’ selected as a business subsidized by NEDO for practical application of industrial technologies
November 2005 Kansai Office (Mie Factory) completed
November 2005 Certification of CE Marking granted
November 2006 Capital increased to JPY 340,265,000
October 2011 Capital decreased to JPY 100,000,000

Name of company



October 1982


JPY 100,000,000-

The chairman of the Board

Masaru Kawahara


Futoshi Kobayashi

Business Line

First Class Pressure Vessel
High-Pressure Gas Vessel (Specified Equipment)
Small Pressure Vessel
Secound Class Pressure Vessel
Vacuum Vessel
Environment test equipment and producion equipment with application of pressure vessels and vacuum vessels


Head Office, Factory and Sales Division
2-5-5 Honbasu, Kawaguchi-Shi, Saitama, 334-0076 (MAP)
TEL: +81-48-283-5660
FAX: +81-48-284-8444

Honbasu-Minami Factory
2-5-1 Honbasu, Kawaguchi-Shi, Saitama, 334-0076 (MAP)
TEL: +81-48-280-3551
FAX: +81-48-280-3552
2-8-33 Honbasu, Kawaguchi-Shi, Saitama, 334-0076 (MAP)
Osaka Office
8F-2 Taniyon Square Bldg., 1-2-15 Uchihonmachi,Chuoku,Osaka,540-0026 Japan