| 1957 |
Kyowa Sobi Co., Ltd. (currently Shigeru Tec Co., Ltd.) established in Isesaki, Gunma. Began production of interior bus parts. |
| 1960 |
Established a plant separate from Kyowa Sobi Co., Ltd. (currently Shigeru Tec Co., Ltd.) specializing in the manufacture of automotive trim parts. Established Shigeru Co., Ltd., in Ota, Gunma.
Capital: 1.5 million yen
|
| 1962 |
Increased capital to 3.5 million yen. |
| 1966 |
Increased capital to 21 million yen. Began production of automobile seats. |
| 1967 |
Began production of instrument panels. |
| 1968 |
Began production of soft urethane foam. |
| 1970 |
Began production of common-die foam instrument panel pads. |
| 1971 |
Began production of ceiling-suspended headliners. |
| 1972 |
Installed various automotive testing facilities. |
| 1976 |
Began production of molded headliners.
|
| 1977 |
Increased capital to 35 million yen. Began injection mold production. Entered into tie-up on development technology for automobile seats with RHW of Germany.
|
| 1979 |
Entered into tie-up on development technology for sun visors with Happich of Germany. |
| 1980 |
Increased capital to 63 million yen. Completed construction of integrated office building.
|
| 1981 |
Increased capital to 100.8 million yen.
|
| 1983 |
Began operation of Ichinokura Plant. |
| 1985 |
Increased capital to 126 million yen. |
| 1986 |
Expanded Ichinokura Plant and installed seat cushion form molding line and seat frame production line (introduced automatic benders and welding robots). Increased capital to 157.5 million yen.
|
| 1987 |
Received PM Award. Established Heartland Automotive L.L.C. in the United States.
|
| 1988 |
Increased capital to 315 million yen. Installed automatic cutting machine (GGT). Provided technology to Tong Yang Industry and Hsiung Hwa Machinery of Taiwan.
|
| 1992 |
Installed extrusion molding machine for recycling.
|
| 1993 |
Installed 1000-ton stamping molding machine.
|
| 1995 |
Completed construction of instrument panel production plant. Began production of closed foam instrument panel pads.
|
| 1996 |
Increased capital to 450 million yen.
|
| 1997 |
Received ISO9001 certification. |
| 1998 |
Expanded Ichinokura Plant and installed new painting facilities.
|
| 2000 |
Received ISO14001 certification.
|
| 2001 |
Constructed new building for research and development.
|
| 2003 |
Completed sales licensing agreement with Ishihara Plastic Industrial Co., Ltd..
Received QS9000 certification. |
| 2004 |
Established Siegel Co., Ltd., in Nakatsu, Oita. |
| 2006 |
Recieved ISO/TS16949 certification. |
| 2007 |
Introduced metal mold production facilities in Ichinokura Plant. |
| 2008 |
Established Shigeru(THAILAND) Co., Ltd in The Thailand. |
| 2009 |
Established Wuhu Maoxin Co., Ltd in The China. |
