
| 1961.10 | Toshimi Kuma, founder of Seibu Giken, established “Kuma Laboratory,” private R&D center, in Hakozaki, Fukuoka, while working at Kyushu University Faculty of Engineering. |
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| 1972.4 | Changed company’s name to “Seibu Giken Co., Ltd.” |
| 1974.3 | Commercialized total(sensible) heat exchanger with corrugation. Product name: Thermo Lung |
| 1976.9 | Concluded a license agreement with Beck-Ryoon Industrial Co., Ltd., Korea. |
| 1979.11 | Transferred production technique of total heat exchanger to Beck-Ryoo Industrial Co., Ltd., Korea. |
| 1981.4 | Commercialized total heat exchanger. Product name: Hi-Panex |
| 1984.4 | Commercialized active silicagel honeycomb dehumidifier. Product name: SSCR dehumidifier |
| 1985.11 | Concluded a business collaboration agreement with DST Sorptionsteknik AB, Sweden. |
| 1986.9 | Commercialized the super low dew point dehumidifier. Product name: SZCR |
| 1989.1 | Commercialized VOC concentration rotor with hydrophobic zeolite. Product name: UZCR |
| 1988.4 | Entry into American market |
| 1988.10 | Entry into Taiwan market |
| 1989.10 | Concluded a business collaboration agreement with Kraftanlagen AG, Heidelberg, Germany. Toshimi Kuma received an honorary invitation, known as “Ehrenteinladurg,” from Heidelberg City Mayor. |
| 1993.10 | Acquired DST Sorptionsteknik AB and established distributors in 17 European countries. |
| 1997.9 | Chieko Kuma assumed the position of president after Toshimi Kuma’s passing. |
| 1998.3 | Obtained ISO9001 certification. |
| 2001.2 | Obtained ISO14001 certification. |
| 2001.7 | Established a subsidiary company, Seibu Giken America, Inc., in the United States. |
| 2002.2 | Commercialized standard dehumidifying unit “DRY-SAVE” -New-SGP series. |
| 2002.4 | Fumio Kuma assumed the position of president. |
| 2005.9 | Set up on a Shanghai resident office in China. |
| 2007.1 | Established Seibu Giken company in China |