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| October 1971 |
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Established as “Ichikawa Cleaning Center” (Capital: 5 million yen) |
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| June 1975 |
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Capital was increased to 15 million yen |
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| July 1976 |
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Moved to new headquarters |
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| May 1978 |
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Opened Matsudo sales office |
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| July 1978 |
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Capital was increased to 30 million yen |
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| October 1978 |
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Opened Urayasu sales office |
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| October 1978 |
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Opened Gyotoku Plant as Resource Reuse Processing center |
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| May 1979 |
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Capital was increased to 45 million yen |
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| September 1980 |
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Capital was increased to 50 million yen |
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| October 1981 |
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Opened Baraki Industrial Waste Transshipment and Storage Facility |
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| June 1982 |
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Opened Chiba sales office |
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| June 1982 |
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Opened Maihama service office |
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| January 1983 |
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Opened waste incinerator at Maihama service office |
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| February 1985 |
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Opened Tokyo sales office |
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| September 1985 |
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Capital was increased to 70 million yen |
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| April 1986 |
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Opened solid fuel plant |
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| July 1986 |
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Changed company name to “Ichikawa Kankyo Engineering Co., Ltd.” |
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| August 1988 |
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Chiba service office became the Chiba branch |
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| December 1989 |
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Opened Makuhari service office |
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| December 1990 |
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Opened waste paper distribution center at Makuhari service office |
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| January 1992 |
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Established Toshi Kankyo Engineering Co.,Ltd, Ltd. with EMCO (subsidiary company of Kajima Corporation) (Capital: 50 million yen, Acquired 50.0% of shares) |
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| October 1993 |
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Opened Saitama sales office |
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| January 1994 |
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Received “Research Development for Specific Chlorofluorocarbon Destruction Process Technology” project from “Clean Japan Center” |
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| April 1994 |
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Capital was increased to 140 million yen |
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| November 1994 |
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Urayasu sales office became Urayasu branch |
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| December 1994 |
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Opened chlorofluorocarbon destruction facility testing plant |
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| March 1995 |
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Opened Baraki car allocation center |
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| June 1995 |
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Received “Research for Collecting Chlorofluorocarbon from Discarded Refrigerator” project from “Home Electronic Appliances Association” |
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| September 1995 |
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Opened bottle and can recycling center |
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| April 1996 |
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Opened Niigata work office for the project received from Niigata prefecture |
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| July 1996 |
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Opened waste soft plastic volume reduction facility at Gyotoku plant |
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| August 1996 |
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Opened PET bottle recycling center |
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| February 1997 |
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Opened Yokohama branch |
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| May 1997 |
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Acquired E-Stage Co., Ltd., with six companies, including IKE (54.5% of shares) |
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| April 1998 |
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Acquired 71.3% of shares of Tokusan Engineering Co., Ltd. by M&A |
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| May 1998 |
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Established Hyper Cycle Systems Corporation with Mitsubishi Electric and other companies (Capital: 440 million yen, Acquired 11.4% of shares) |
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| December 1998 |
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Established Kazusa Clean System Co., Ltd. by using the joint public-private venture with four local governments, Nippon Steel Corporation, EMCO, and IKE (Capital: 2 billion yen, Acquired 6.1% of shares) |
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| March 1999 |
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Tokyo sales office became Tokyo branch |
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| May 1999 |
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Acquired 20.4% of shares of Hyper Cycle Systems Corporation by increasing capital |
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| March 2000 |
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Closed Niigata work office upon completion of project received from Niigata prefecture |
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| January 2001 |
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Capital was increased to 160 million yen |
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| December 2002 |
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Acquired 25% of shares of Chiba Kosan Co., Ltd. |
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| December 2002 |
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Opened Electronic Products Recycling Center |
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| May 2003 |
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Completed remodeling in solid fuel manufacturing plant |
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| July 2003 |
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Established Bio Energy Corporation with Kaname Kogyo and 3-R Company as part of Tokyo Super Eco-town project (Capital was 490 million yen, acquired 66% of shares. Later, we received investment from Toshi Kankyo Engineering and acquired share rate was changed to 51%. ) |
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| November 2003 |
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Acquired ISO14001:1996 (At Headquarters and Narashino Recycling center) |
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| November 2003 |
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Invested 50 million yen (3.2% of shares) in Chiba Omiya School Lunch Service Co., Ltd. as part of Omiya School Lunch Center project by Chiba-shi using the PFI method |
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| March 2004 |
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Acquired 60% of the shares of Chiba Kosan Co., Ltd. |
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| May 2005 |
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Established New Energy Supply Inc. with other 11 waste management companies located in Shutoken metropolitan area (Capital: 22 million yen, 11.1% of shares) |
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| July 2006 |
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Opened container and packaging plastics compression packing center |
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| September 2006 |
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Capital was increased to 250 million yen |
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| February 2007 |
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Completed renewal of Baraki office |
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| June 2007 |
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Opened Sayama service office |
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| December 2007 |
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Received request from M M Plastic Co., Ltd., which is an affiliate of Mitsubishi Corporation,we participated in as a co-investor (Capital was 2.1 billion yen,acquired 10% of shares). |
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| January 2008 |
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Established Biogas Net Japan LLC.(Capital 1.1 million yen, acquired 9.1% of shares) along with other 10 companies that have renewable energy supply technology. |
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