• 1893
    Sukejiro Kaihara started handwoven authentic indigo-dyed Bingo kasuri textile business in Tsune-Kanamaru-mura, Ashina-gun, Hiroshima (currently Tsune, Shinichi-cho, Fukuyama-shi) under the tradename ㋜ (marusu).
  • 1951
    Established Kaihara Textile Mills Co., Ltd. with capital of 1.8 million yen, 34 looms and 83 employees.
    Sukejiro Kaihara, Satoru Kaihara, and Sadaharu Kaihara appointed chairman, president, and senior managing director, respectively.
  • 1954
    Self-developed a submerged wringing automatic indigo dyeing machine (patented).
  • 1956
    Developed 36-inch (90 cm)-wide width kasuri (trade name: NICHIBO KONNY) fabric by using the world’s first power loom.
  • 1961
    Developed the world’s first 48-inch (122 cm)-wide “kasuri sarong,” and exported the folkwear (sarong: fabric wrapped around the waist like a long skirt) to Aden in the Middle East.
    Started production of narrow wool kasuri for kijaku (standard cloth length for kimono) for the first time in the Bingo region (ordered by Toyo Cotton).
  • 1962
    Increased capital to 20 million yen with capital participation from Dainippon Boseki Co., Ltd.
    Established Kaihara Sangyo Co., Ltd. (Capital: 1 million yen).
  • 1965
    Established the Hirohaba Kasuriori Cooperative Association (Capital: 1 million yen).
  • 1968
    Excess inventory of kasuri sarongs (roughly one year’s worth) due to the suspension of L/C caused by political instability in Aden in the Middle East, devaluation of the British Pound, etc.
  • 1969
    Discontinued production of kasuri sarongs due to continued suspension of L/C.
  • 1970
    Satoru Kaihara and Sadaharu Kaihara appointed chairman and president, respectively.
    Self-developed a continuous indigo dyeing machine (rope dyeing machine no. 1), and supplied denim made by rope dyeing to the market for the first time in Japan.
  • 1973
    Opened Joge Factory.
  • 1974
    Established Denii Co., Ltd. (Capital: 50 million yen) (a fifty-fifty joint venture with Unitika Ltd. and Kaihara Textile Mills Co., Ltd.)
    Started operation with 68 Toyota looms, Gu8.
  • 1975
    Concluded pollution control agreement with Shinichi-cho.
    Completed construction of wastewater treatment facilities by activated sludge method.
  • 1976
    Achieved monthly production of 100,000 tans (bolts) of denim by rope dying, accounting for a 75% market share in dyeing in Japan.
  • 1977
    Completed rope dyeing machine no. 8 and achieved monthly production of 120,000 tans of denim by rope dyeing.
  • 1978
    Opened Kisa Factory; completed a weaving mill with 120 Sulzer looms.
  • 1980
    Completed a finishing mill at Kisa Factory.
  • 1982
    Completed a new weaving mill at Joge Factory and added Sulzer looms into a framework of 120 machines (a framework of 336 machines for the entire group).
  • 1989
    Introduced dyeing and weaving KAPSS (sales support & production management system) at the Head Office, Kisa and Joge Factories.
  • 1990
    Sadaharu Kaihara and Yoshiharu Kaihara appointed chairman and president, respectively.
  • 1991
    Completed a spinning mill at Kisa Factory (started operation of the open-end spinning line.)
    *This completed the integrated denim production line of spinning, dyeing, weaving, and finishing.
    Changed the company name from Kaihara Textile Mills Co., Ltd. to Kaihara Corporation.
  • 1992
    Held a commemoration ceremony for the 100th anniversary of foundation and erected a monument.
  • 1993
    Started operation of the ring spinning line in the spinning mill at Kisa Factory.
  • 1994
    Started full-scale production of “vintage” (selvedge) denim by using shuttle looms.
  • 1995
    Introduced finishing KAPSS (sales support & production management system).
  • 1996
    Opened the Kaihara Historical Museum.
  • 2000
    Completed a warping & dyeing mill at Kisa Factory.
    Established Marusu Kou Co., Ltd. (Capital: 50 million yen)
    Acquired all shares of Kaihara’s stock owned by Unitika Ltd.
  • 2002
    Obtained ISO 9001 certification.
  • 2003
    Sadaharu Kaihara, Yoshiharu Kaihara, and Junji Kaihara appointed adviser, chairman, and president, respectively.
  • 2004
    Split the company into Kaihara Corporation as a sales & financing company, and Kaihara Sangyo Co., Ltd. as a manufacturing company.
  • 2005
    Kaihara Sangyo Co., Ltd. merged with Denii Co., Ltd., and changed the company name to KAIHARA Co., Ltd. Completed a weaving mill at Sanwa Factory.
  • 2008
    Completed a spinning mill at Sanwa Factory.
  • 2009
    Transferred finishing operations from the Hirohaba Kasuriori Cooperative Association to KAIHARA Co., Ltd.
  • 2012
    One year after the Great East Japan Earthquake, held a fashion show “GINZA RUNWAY” with the theme of “Japan Denim” for the purpose of re-energizing Japan from “Ginza,” a town representing Japan in cooperation with respective companies.
  • 2014
    Junji Kaihara, Mamoru Kaihara, and Tadayuki Kaihara appointed vice-chairman, president, and senior managing director, respectively.
    Established KAIHARA THAILAND Co., LTD. (KTC) in Thailand (production and sales).
  • 2015
    Completed KTC.
  • 2017
    The Hirohaba Kasuriori Cooperative Association dissolved.
  • 2018
    Held a commemoration ceremony for the 125th anniversary of foundation.
    Replaced the effluent treatment facilities at the Head Office & Factory and removed the heavy-oil boiler facilities.
  • 2019
    Established KAIHARA International Co., Ltd. in Hong Kong (sales).
  • 2020
    50th anniversary of conversion to denim business.
  • 2021
    Started crowdfunding at MAKUAKE.
    Introduced solar power generation at Sanwa Plant.
  • 2022
    Started EC sales.
  • 2023
    Marusu Kou Co., Ltd. Dissolved.
  • 1993
    Received commendation from the Japan Chamber of Commerce and Industry for the 100th anniversary of foundation.
  • 2002
    Obtained “ISO 9001 certification” through Japan Quality Assurance Organization (JQA).
  • 2007
    Recognized by the Small and Medium Enterprise Agency as one of the “300 of Japan's Dynamic Monodzukuri (Manufacturing) Small and Medium-sized Enterprises.” Received “Porter Prize” from Hitotsubashi University’s Graduate School.
  • 2012
    Received “42nd Senken Gosen (synthetic fiber fabric) Prize in Marketing Category” from Senken Shimbun Co., Ltd.
  • 2013
    (Five development members) received “Award for Excellence at the 5th Monozukuri Nippon Grand Awards” from the Ministry of Economy, Trade and Industry.
  • 2014
    Selected by the Ministry of Economy, Trade and Industry as one of the “Global Niche Top 100 Companies.”
    Received “Special Award for Product Safety Measures Excellent Company Awards” from the Ministry of Economy, Trade and Industry.
  • 2015
    (Five POWER DENIM development members) received “GOOD DESIGN AWARD 2015” from Japan Institute of Design Promotion.
  • 2017
    Recognized by the Ministry of Economy, Trade and Industry as an “Innovative Company for Driving Regional Future Growth.”
  • 2019
    (One employee) received “J Quality Award 2019 ‘Monozukuri-no-Tatsujintachi’ Grand Prix” from Japan Fashion Industry Council.
  • 2021
    Received "MAKUAKE Of The Year 2021".