| 1938 |
Partnership of Kyoritsu Gokin manufacturing Company established. |
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| 1939 |
Incorporated with paid-in capital of 50,000YEN. |
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| 1944 |
Designated authorized Navy manufacturer. |
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| 1948 |
Established Cemented Carbide Tool Association as founding member. |
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| 1951 |
Granted use of Japanese Industrial Standards mark. |
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| 1957 |
Commenced production of spray nozzles. |
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| 1958 |
Established EVERLOY
Shoji Company, Ltd. |
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| 1964 |
Established Tokai Gokin Kogyo Company, Ltd. |
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| 1965 |
Established Tokaroi
Shoji Company, Ltd. |
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| 1980 |
Construction completed on the Nozzle Division Factory in Kaibara, Hyogo prefecture. |
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| 1986 |
Science and Technology Agency's Blue Ribbon Prize awarded to Chairman Kakuzo Matsumoto. |
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| 1989 |
Construction completed on Cemented Carbide Division Factory in Kaibara, Hyogo. |
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Prefecture. Yellow Ribbon Prize awarded to Chairman Kakuzo Matsumoto. |
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| 1990 |
Opened Kyusyu Business Office. |
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| 1998 |
Construction completed Kumamoto Factory of Kyusyueverloy Co., Ltd. |
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| 2004 |
Head office of EVERLOY Shoji, Co., Ltd. is relocated to new building. |
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| 2005 |
Kaibara Spray Nozzle Factory is expanded. |
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