1947
Yuki Gosei Kogyo Kabushikigaisha (Yuki Gosei Kogyo Co., Ltd.) was established to produce flavors for tobacco

• 1948
  Acquired Maeno Plant (later renamed“Maeno Office”)

• 1952
  Started manufacture of glycine, isoniazid and nicotinic acid amide

• 1958
  Started manufacture of beta-alanine and pinkmine

• 1960
  Started manufacture of 2-vinylpyridine

• 1961
  Started manufacture of glycine and beta-alanine using a new manufacturing method

• 1962
  The company’s name in Japanese changed from“Yuki Gosei Kogyo Kabushikigaisha”to“Yuki Gosei Yakuhin Kogyo Kabushikigaisha”
  The Head Office moved to Takara-cho, Chuo-ku
  Listed on the Second Section of the Tokyo Stock Exchange

• 1963
  Started manufacture of triacetin

• 1964
  Started operation of Joban Plant
  Started manufacture of flavors for Peace cigarettes

• 1965
  Started manufacture of protamine sulfate and flavors for mf cigarettes

• 1966
  Started manufacture of leucic acid and flavors for Hi-lite cigarettes

• 1967
  Started manufacture of nicotinic acid amide using a new manufacturing method
  Started manufacture of 3-cyanopyridine

• 1968
  Started manufacture of 8-hydroxyquinoline and flavors for Seven Stars cigarettes

• 1969
  Started manufacture of amino acid sugar (Yukisu)

• 1970
  Started manufacture of flavors for Cherry cigarettes

• 1971
  Started manufacture of glycine at new facilities

• 1972
  Started manufacture of nicotinic acid amide at new facilities
  Tokyo Laboratory completed

• 1973
  Started manufacture of iminodiacetic acid

• 1975
  Started manufacture of intermediates for agricultural chemicals and picolinic acid

• 1976
  Started manufacture of CP essence

• 1977
  Started manufacture of 3-aminopyridine

• 1978
  Started manufacture of DNA
  Activated sludge treatment facilities completed at Joban Plant

• 1982
  Test plant facilities newly installed at Tokyo Laboratory

• 1983
  Facilities for manufacturing flavors and materials for tobacco newly installed at Joban Plant

• 1984
  Multi-purpose manufacturing facilities newly installed at Joban Plant

• 1985
  Started manufacture of silicone-related products

• 1986
  Started manufacture of 4-aminopyridine and isonicotinic acid

• 1990
  Drug intermediate-purification facilities newly installed at Joban Plant
  Capital increased to 2,550 million yen

• 1991
  The Head Office moved to Hirakawa-cho, Chiyoda-ku
  Manufacturing facilities for silicon and grignard reagents newly installed at Joban Plant

• 1992
  Multi-purpose, small-amount manufacturing facilities newly installed at Joban Plant

• 1995
  The Head Office moved to the current location
  A laboratory (Technological Development Center) newly established at Joban Plant
  DNA manufacturing facilities newly installed at Joban Plant

• 1996
  The 2-vinylpyridine manufacturing facilities moved from Tokyo Laboratory to Joban Plant
  Joban Plant certified for ISO 9002.
  Manufacturing facilities dedicated to silicon- and grignard-related products newly installed at Joban Plant
  Capital increased to 3,471 million yen
  Started manufacture of trifluorothymidine

• 1998
  The Head Office, Osaka Sales Office, Joban Plant and Tokyo Laboratory certified for ISO 9001
  Investigational drug testing research facilities newly installed at Joban Plant

• 1999
  Certified for ISO 14001

• 2001
  Started manufacture of Fudosteine “YUKI”
  Yuki Engineering Co., Ltd., an affiliated company, renamed “Yuki Techno Service Co., Ltd”
  Pharmaceutical manufacturing facilities newly installed at Joban Plant

• 2003
  Selected as loanable stock
  Quality Control Building newly completed at Joban Plant.

• 2004
  Listed on the First Section of the Tokyo Stock Exchange market
  Started operation of the enterprise resource planning system

• 2006
  Dusseldorf Office established as an overseas office

• 2007
  LNG conversion facilities newly established

• 2012
  Started manufacture of active pharmaceutical ingredients for generics

• 2014
  Cogeneration system introduced

• 2018
  APIs and pharmaceutical intermediates manufacturing facilities installed at Joban Plant

• 2021
  Certified for FSSC 22000

• 2022
  Changed to the Standard Market of the Tokyo Stock Exchange