NISHIYAMA SEISAKUSHO was established as a private firm by the founding chairman, Nobuji Nishiyama and his brother, Yasuji Nishiyama.
December 1959
NISHIYAMA SEISAKUSHO Co., Ltd was reorganized from a private firm with 2 million yen stock capital.
January 1973
Company stock capital was increased to 10 million yen to coincide with a new production facility in Akita Pref.
October 1974
Stock capital was doubled to 20 million yen.
December 1974
Yasuji Nishiyama becomes the second company president.
January 1987
An R & D facility for the development of PIC (Pipe In Coil) pipes was established in Hikari City, Yamaguchi Pref., succeeding in technical development.
March 1995
Head office and production facility were built at Technoland Industrial Estate in Odawara City, Kanagawa Pref. Stock capital was increased to 60 million yen.
December 1996
Toshiaki Nishiyama becomes the third company president
July 2000
Stock capital was increased to 125 million yen.
July 2003
ISO 9001: 2000 registration.
October 2004
Awarded first prize in 21st Kanagawa Prefecture High-Tech Grand Prix.
October 2005
Akita Administrative Center was built at Akita factory site.
January 2006
Awarded first prize as Kanagawa Prefecture's Most Outstanding Plant for the 2005 fiscal year.
July 2008
Introducing 300 of Japan's Dynamic Monodzukuri(Manufacturing) SMEs 2008
April 2009
Designated as a model factory of small and medium-sized enterprise by Kanagawa prefecture in 2009 fiscal year.
June 2010
Capital stock was decreased to 95 million yen.
August 2015
Established subsidiary in the Philippines, PHILIPPINE NISHIYAMA PIPE MFG. INC. (PNPM)
October 2017
Awarded the 2017 Furusato Enterprise Award by Japan’s Minister of Internal Affairs and Communications
December 2017
Selected as the Driving Company for the regional future
September 2018
Atsushi Matsuyama becomes the fourth company president.
August 2023
Registered Odawara SDGs Partner
September 2023
Awarded the Long-Term Corporate Location Award by Akita Prefecture’s Business Attraction Promotion Council in fiscal 2023.
September 2024
Takahiro Nishiyama becomes the fifth company president.
