In June 1, 1945, current chairman Katsuji Sakanishi founded Sakanishi Seisakujo in Shibuya ward, Tokyo.
At the time, we manufactured rice milling machines, hair steamers for barber, and heavy oil burners.
After acquiring additional capital, two gear-cutting machines were installed, and we started subcontracting work for gear manufacturers.
In January 1953, we reorganized into an incorporated company as Sakanishi Seiki Co., Ltd. and started operations officially as a precision gear specialty manufacturer.
From July 1985, we started manufacturing of planetary gear reducers as an original equipment manufacturer (OEM).
In February 1996, we started manufacturing and sales of its own original brand of planetary gear reducers, the V series and C series.
| 1945.6.1 | Katsuji Sakanishi founded Sakanishi Seisakujo in Shibuya ward, Tokyo. |
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| 1953.1.14 | Reorganized the corporate organization. Established Sakanishi Seiki Co., Ltd. with capital of 2 million yen.
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| 1960 | Acquired factory site in Hino city, Tokyo. Completed construction of Hino factory.
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| 1971 | Increased capitalization to 7.5 million yen |
| 1979 | Became the model factory for SME management consultant training. |
| 1980 | Completed construction of headquarters building in Shibuya ward, Tokyo.
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| 1981 | Received commissioner award from Hachioji Labor Standards Inspection Office. |
| 1982 | Acquired factory in Hino city, Tokyo. Started operations as Yanakayama factory.
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| 1984 | Received investment from Tokyo Small and Medium Business Investment & Consultation Co.,Ltd. Capitalization increased to 50 million yen. Adopted use of computers for production management. |
| 1985 | Completed new office wing in Hino factory. Started production Management System. Acquired adjacent site for expanding Hino factory. |
| 1991 | Installed computers in headquarters for increasing efficiency of accounting divisions. |
| 1997 | Hiroyuki Sakanishi became company president. |
| 1999 | Received Minister of Health, Labor and Welfare Award as high-rated business for employment of senior citizens. |
| 2005 | ISO9001 certified. |
| 2007 | ISO14001 certified. |
| 2008 | Acquired new factory construction site in Hachioji city, Tokyo. |
| 2009 | Completed construction of new factory (Photo: New factory construction completed in 2009).
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| 2010 | Relocation of headquarters completed. |
| 2014 | Received Chairman Award of the Japan Greenery Research and Development Center at 33rd Factory Greenery National Convention. Received the Hachioji City Manufacturing Industrial Award. Received Tokyo Metropolitan SME Manufacturing Human Resources Development Governor's Award for Excellence. |
| 2015 | Received Tokyo Labor Bureau Director Award for Excellence: Health and Safety Official Commendation. |
| 2021 | ISO45001 certified. |
If you have any questions about our products, discussions,
or problems that we can help you solve, please feel free to contact us at Sakanishi Seiki.
