1911 | Kawahara Corporation (Osaka headquarters) opens a branch in Makassar on Celebes Island in the East Indies, controlled by the Holland. | |
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1926 | Kawahara Corporation separates overseas operations, Hirokata Ueda forms Kohyei Trading company. | |
1949 | February | Kohyei was founded in Shosen building in Kobe's Motomachi district to take advantage of renewed opportunities in civilian trade. Capital was 2 million yen. Hidehiko Tsuchihashi named President. |
August | Signed sole agent agreement with Sakai Chemical Industrial Co. (Agency No.1) | |
October | Tokyo Branch founded. | |
1951 | January | Osaka branch founded. |
December | Increased capital to 5 million yen. | |
1952 | Signed special agreement with DuPont to import synthetic rubber "neoprene" and began development of rubber chemical products import from the company. | |
1953 | March | Otaru branch founded. |
August | Increased capital to 8 million yen. | |
1954 | May | Increased capital to 10 million yen. Signed agent agreement with Nitto Kasei Co. |
1957 | Ended handling of natural rubber, agricultural chemicals. Withdrew from commodity products focusing on synthetic rubber and resin, industrial chemicals, steelmaking materials. | |
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1959 | Celebrated 10-year anniversary as earnings grew amid economic expansion. Relocated Otaru branch to Sapporo. |
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1960 | Showa Neoprene Co.,Ltd. founded for domestic production of DuPont's product, Kohyei becomes a distribution agent. | |
May | Increased capital to 20 million yen. | |
1961 | Signed specialty and agency agreements with domestic makers to create a foothold as a trading company specializing in rubber and industrial chemicals. | |
1963 | December | Atsuhide Tsuchihashi named President. |
1967 | January | Increased capital to 50 million yen. |
1969 | February | Celebrated 20-year anniversary. |
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November | Establishment of Nisshoku Schenectady Kagaku Inc., a joint venture between Nippon Shokubai Co., Ltd. and Schenectady Chemicals Inc.(USA) | |
December | Schenectady Chemicals Inc.(USA) and Harima Kagaku form a Harima Schenectady Chemical joint venture. Founded Harima Schenectady Kagaku, Inc. Increased capital to 60 million yen. |
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1971 | February | Increased capital to 90 million yen. |
1972 | October | Founded ZipperTubing (Japan) Ltd. |
1974 | November | Sapporo branch is formed into a new company,Sapporo Kohyei Co.,Ltd. |
December | Increased capital to 100 million yen. | |
1976 | Posted record sales on demand automotive and consumer AV electronics goods. | |
1978 | Products of ZipperTubing (Japan) Ltd. used by automotive clients. | |
1979 | Celebrated 30-year anniversary. | |
1981 | February | Formed a fully-owned subsidiary Kurinsuton Manufacturing Co.,Ltd.for domestic manufacturing of CleanStone outer wall detergent. |
October | Annual revenue reached 20 billion yen. Split investment in Vernay Japan (currently Kohyei Kosan Co.,Ltd.) with Vernay Laboratories Inc. |
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1986 | November | Changed Vernay Japan name to Kohyei Kosan Co.,Ltd. |
1987 | November | Moved headquarter sales department to Osaka, merged with Hanshin sales department. |
1988 | September | Founded Kohyei Kohan Inc.,to handle manufacturing and processing of industrial rubber and resin products. |
1989 | February | Celebrated 40-year anniversary. |
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December | President Atsuhide Tsuchihashi named Chairman. Mr. Hideo Kawano as President. |
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1991 | October | Annual revenue reached 32.8 billion yen. Beat previous record. |
1995 | April | The headquarters building is destroyed in Hanshin Awaji earthquake, moved to its current location. |
1996 | December | Mr. Hideo Kawano as Vice Chairmanbr> Mr. Noriyuki Shirai as President. |
1998 | December | Founded HAN-YEI Inc. in Columbus, Ohio with Sakai Chemical Industrial Co. |
1999 | February | Held a ceremony for 50-year anniversary. |
2002 | July | Founded Kohyei-Zipper Hong Kong Ltd. in Hong Kong. |
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December | Yoshihiko Tsuchihashi named President. | |
2003 | November | Bought chemical products operations of Yanase & Co., founded Function material division. |
December | Introduced operating officer system. Founded Kohyei Trading Hong Kong Ltd. a fully-owned subsidiary. |
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2004 | February | Founded Kohyei Trading (Shanghai) Co.,Ltd. with Sakai Chemical Industrial Co. in Shanghai, China. |
2005 | November | Restructured the company organization to include autonomous divisions. |
December | Youichi Miyake as Representative Director./td> | |
2006 | July | Restructured Kohyei Kohan Inc., as Kohyei Kohan Co.,Ltd. |
November | Implemented midterm business plan. Acquired ISO14001 |
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2007 | October | Annual revenue reached 33 billion yen. |
2009< | February | Celebrated 60th anniversary of foundation. Issued 60th anniversary commemoration magazine. Start of second medium-term management plan |
2012 | June | Founded THAI KYC CO.,LTD. in Bangkok,Thailand. |
July | Founded PT.KOHYEI INDONESIA in Jakarta,Indonesia. |
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November | Started of Third medium-Term Management plan |
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December | Founded KOHYEI TRADING(INDIA)PVT.LTD. in Chennai,India by joint investment with POLYHOSE INDIA PVT. LTD. | |
2013 | January | Through joint investment with BUENO Technology Co., Ltd., established BUENO KOHYEI CO., LTD. in Taiwan. |
2014 | September | September: Changed trade name of KOHYEI TRADING (INDIA) PVT. LTD. to KOHYEI POLYMERS (INDIA) PVT. LTD. |
December | Equity participation in Ital Plastic Compounds Private Limited of India | |
2015 | November | Start of fourth medium-term management plan |
2017 | February | Began operating Koharakagaku Toryo Co.LTD. as a group company. |