|
1926
|
Dr. Keikichi Ebihara of Okochi
Research Laboratory in the Institue of Physical and Chemical
Research invented a manufacturing method for piston rings
which ensured uniform pressure on the inner wall of cylinders.
Patents were obtained from various countries. |
|
1927
|
Foundation
In order to commercialize the inventions and results of the
Institute of Physical and Chemical Research, Rikagaku Kogyo
was established. This company was the first to start manufacturing
practical piston rings in Japan. |
|
1932
|
The Kaskiwazaki plant was constructed in Niigata
Prefecture. |
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1934
|
The Kashiwazaki plant was separated off from
Rikagaku Kogyo and RIKEN PISTON RING Co. was estabilshed. |
|
1938
|
RIKEN PISTON RING CO. manufactured various
machinery, measuring instruments, special steel and tools
as well as psiton rings. The company name was changed to RIKEN
HEAVY INDUSTRIES Co. |
|
1939
|
A plant was constructed in Kumagaya, Siatama
Prefecture to manufacture piston rings for automobiles. |
|
1941
|
RIKEN HEAVY INDUSTRIES CO.merged with companies
within RIKEN Konzern and changed its name to RIKEN Industries
Co. |
|
1943
|
Succeeded in manufacturing piston rings using
ERU type electric furnace. This was the first melting of cast
steel in an electric furnace in Japan. |
|
1945
|
All plants stopped operation at the end of
the Second World War. We obtained a manufacturing license
from GHQ to make pistons rings for automobiles, cast products
and agricultural equipment to establish peace time industrial
operations. |
|
1948
|
Started manufacturing Top Brand fittings. |
|
1949
|
A new company was founded.
Riken Industry Co. was separated into 11 companies. Of these,
the plants at Kashiwazaki and Kumagaya started as new companies. |
|
1953
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These two companies merged. |
|
1957
|
Entered into a technical tie-up with Shaw Process
Co. of the U.K. They used the Shaw process, a precision casting
method. |
|
1958
|
Started the manufacture and sale of LA couplings.
We started to manufacture and sell electric resistance materials
in alloys under the product name of PYROMAX. |
|
1961
|
Entered into a technical tie-up with Hastings
Corp of the U.S. for steel assembly oil rings (under the product
name of RIK-VENT) |
|
1964
|
Acquired patents for RIK-HISIAL, a wear-resistant
aluminum alloy, in many countries. |
|
1970
|
Introduced technology for the LUCAS incineration
equipment from the U.K. |
|
1975
|
Started the manufacture and sale of PYRORIK
industrial furnace. |
|
1976
|
Started the manufacture and sale of Mr JOINT,
stainless pipe fitting. |
|
1977
|
The automatic machining line for piston rings
started operation. |
|
1978
|
Established a system to manufacture and sell
13 million piston rings per month, the third largest in the
world. |
|
1978
|
Completed development of the RIKEN LUCAS fluid
bed furnace with a drying stage |
|
1978
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Exports amounted to a record 13.8% of production. |
|
1979
|
Corporate name changed to RIKEN Corporation.
RIKEN's 30th anniversary. |
|
1981
|
Established a system to manufacture and sell
17.5 million piston rings per month, the second largest in
the world. |
|
1983
|
Constructed the Tsurugi plant which specializes
in steel piston rings. |
|
1988
|
Established RIKEN OF KOREA Inc.
Started the manufacture and sale of steel piston rings in
Korea. |
|
1989
|
Established Allied Ring Corporation.
In a joint venture with Sealed Power of the U.S., we started
the manufacture and sale of piston rings in the U.S. |
|
1992
|
Constructed a research center in Kumagaya. |
|
1996
|
Mr. Kumihiko Ogura named president. |
|
1996
|
"Ion plated oil control piston
ring" released. |
|
1998
|
Pyramid, ferrite for high-frequency radio waves
released. |
|
1999
|
Technical tie-up with Dana-Albarus
for Brazil VW piston ring production. |
|
1999
|
Piston ring department obtained
QS9000 certificate. |
|
1999
|
RIKEN's 50th anniversary. |
|
2001
|
RIKEN's piston ring manufacturing
facilities in Kashiwazaki, Japan and Kumagaya, Japan obtained
ISO14000 certificates. |
