| 1957 |
Established at Senda-cho, Nishi-ku, Yokohama, as a business firm for stamping, processing & machining sheet metal products and manufacturing metal working machinery with 500 thousand yen in capital.
Started the business for parts for automobiles, railway cars and boats & ships. |
| 1961 |
Accepted the order for body welding parts of Toyopet Corona cars and started up mass-production. |
| 1968 |
Built a new plant on the newly owned site at Sawara, Yokosuka. Increased the capital to two million yen. |
| 1971 |
Set a working process exclusive for the manufacturing railway car doors.
Increased the capital to five million yen. |
| 1973 |
Developed a new simultaneous spot welding method on both sides of rail car doors. Increased the capital to ten million yen.Accepted the order for body welding jigs and started manufacturing. |
| 1982 |
Built a new building for the office work and the jig manufacturing. Increased the capital to twenty million yen. |
| 1983 |
Developed a new honeycomb bonding method and started production of light weight honeycomb construction doors for railway cars. |
| 1989 |
Assigned for a model plant of small and medium firms in Kanagawa prefecture. |
| 1990 |
Achieved an award by the Director-general of Science and technology agency Gained capital from Tokyo Small and Medium Business Investment & Consultation Co., Ltd. |
| 1991 |
Set an automated auto parts manufacturing process with the in-house technology. |
| 1999 |
Approved as an advanced business program for management by Kanagawa pref. |
| 2000 |
The body parts production for Toyota Corolla cars was shut down.
Established a high speed bonding system. |
| 2001 |
Started up production of the side ceiling panel unit for E257 railway cars.
Proposition of a high hardness Art-tech.
Development of the wing partitions for railway cars with die-less molding machinery.
Started up production of the slide-down side window set for railway cars.
Started up mass-production of the ceiling panel (side) unit with integrated air gallery for railway cars. |
| 2003 |
Delivery of the 1st stage prototype of the lavatory unit for N700 cars. |
| 2004 |
Cooperating production of the lifter parts for automobile. |
| 2006 |
Transferred manufacturing method for doors of CR200EM. |
| 2007 |
50th anniversary since establishment |
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