April 1957
Kobayashi Works started operations at Tokyo, Katsushika Ward, Honda Haracho, 44
May 1957
Started manufacturing folding umbrellas
October 1959
Started manufacturing washers
June 1961
Designed a cam type feeding device, connected it to a press device and stared small size washer production.
August 1963
Designed a rolling type feeding device, connected it to a press device and stared large scale washer production
March 1964
Purchased a 273 m²plot of land at Tokyo, Katsushika Ward, Shibamata 3-109
December 1965
Moved to new address upon completion of factory construction
December 1965
Name changed to Kobayashi washer Works
February 1967
Purchased a high speed precision press for a rolling type feeding device and started large scale standard washer production
May 1969
Purchase 145 m²of adjacent land so the total surface became 418 m²
May 1969
Increased high speed press devices
April 1970
Purchased 1980 m²of land at Saitama Prefecture, Yashioshi City, 2-405-4 to build a factory
October 1971
Headquarters moved to new address
May 1974
Kobayashi Corporation was established
March 1979
SEMS washers production
December 1980
Purchase 990 m²of adjacent land so the total surface became 2970 m²
November 1981
910 m²factory built
October 1983
Purchase 990 m²of adjacent land so the total surface became 3960 m²
June 1986
Introduced 7 jig machines for forward feed type
November 1986
Purchase 165 m²of adjacent land so the total surface became 4125 m²
February 1987
The factory started operating as a press manufacturing plant
February 1987
The current plant area is 3587 m²
January 1991
Purchased 165 m²of land
February 1995
Transformed to a mold plant with the completion of mold factory
March 1995
Purchase 990 m²of land so the total surface became 5380 m²
December 1995
A factory was completed on 910 m²on same plot
July 1998
Purchase 330 m²on same plot to build a warehouse
June 2008
Built 2 lines for washer washing
June 2008
Installed a press machine (Model number EH100)
June 2008
Installed a press machine (Model number EH60)
March 2010
Purchased 990 m²of land and introduced washer inspection equipment
May 2011
Added Press machine (TPL 200)
July 2011
KOBAYASHI WASHER WORKS(THAILAND) CO., LTD was established
March 2012
Installed automatic camera inspection machine
May 2012
Installed washer inspection equipment
April 2013
Introduced washer inspection equipment
August 2013
KOBAYASHI WASHER WORKS(THAILAND) CO., LTD started operations
January 2015
Installed press machine
March 2015
Installed automatic camera inspection machine
May 2016
Koji Kobayashi becomes president
April 2023
Dissolved parent-subsidiary relationship with KOBAYASHI WASHER WORKS (THAILAND) CO., LTD.