| |
|
1960 |
| |
|
Yamamoto Hatsujo Bunki, Inc. (founded in
1908) and Nitto Industries, Inc. were merged
together, and Sumikin Hatsujo Co., Ltd. was
formed as an affiliate of Sumitomo Metal Industries,
Ltd.
Headquarters in Amagasaki, Capital: yen 190
million |
 |
| |
|
1965 |
| |
|
Headquarters moved to Fujisawa |
|
| |
|
Acquired Nitto Industries, Inc. and Amagasaki
Factory was opened.
Capital: yen 200 million |
|
| |
|
1970 |
| |
|
Factories were united in Fujisawa Factory.
Capital: yen 300 million |
|
| |
|
1975 |
| |
|
NHK Spring Co., Ltd. acquired shares from
Sumitomo Metal Industries, Ltd. and company
name was changed to Sumihatsu Co., Ltd. |
|
| |
|
1978 |
| |
|
Acquired Nikken Spring, Inc., an affiliate
of NHK Spring Co., Ltd.
Capital: yen 345 million |
|
| |
|
A new factory for spring clips was completed
in the corner of in the Industrial Complex
at Yamato-mura, Ibaraki. |
|
| |
|
1980
---1981 |
| |
|
Manufacturing of coil spring, turnout and
leaf spring were moved to Tsukuba one by one. |
|
| |
|
1981 |
| |
|
Fujisawa Factory was closed, and Tsukuba
Factory started. |
|
| |
|
1982 |
| |
|
Production line for automobile coil spring
was commissioned. |
|
| |
|
1983 |
| |
|
Headquarters moved to Yasuda Seimei Bldg.,
Iwamotocho, Tokyo. |
|
| |
|
1988 |
| |
|
Strail (Noiseless railroad crossing system)
was released. |
|
| |
|
1990 |
| |
|
Installed a machining center for rail processing. |
|
| |
|
1992 |
| |
|
Private power station was commissioned. |
|
| |
|
1995 |
| |
|
Sumihatsu Services, Inc. was founded as
an affiliate. |
|
| |
|
1997 |
| |
|
Manufacturing of Balancer Assy was started. |
|
| |
|
Business cooperation agreement was signed
with Pandrol. |
|
| |
|
1998 |
| |
|
Commercial production of Pandrol started. |
|
| |
|
1999 |
| |
|
ISO 9001 (Leaf spring, Coil spring for automobiles)
was certified. |
|
| |
|
2000 |
| |
|
ISO 9001 (Industrial components, Special
parts, and Turnout) was certified. |
|
| |
|
Sumihatsu Services, Inc. started elderly
care business. |
|
| |
|
2001 |
| |
|
Production of synthetic sleeper started. |
|
| |
|
2002 |
| |
|
Closed manufacturing of coil spring for
automobiles. |
|
| |
|
2003 |
| |
|
Received order for rail fastening device
and turnouts for Taiwan Shinkansen. |
|
| |
|
All of shares owned by Sumitomo Metals (Kokura),
Ltd. was transferred to NHK Spring Co., Ltd. |
|
| |
|
ISO
14001 was certified. |
| |
