Shigemi Watanabe

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for cleaning air and apparatus therefor, and method for humi...
- Patent number 6,863,715
- Issue date Mar 8, 2005
- Kankyo Co., Ltd.
- Hidetoshi Ike
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Apparatus for cleaning air and for humidifying air
- Patent number 6,663,695
- Issue date Dec 16, 2003
- Kankyo Co., Ltd.
- Hidetoshi Ike
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Method for cleaning air and apparatus therefor, and method for humi...
- Publication number 20040055467
- Publication date Mar 25, 2004
- Kankyo Co., Ltd.
- Hidetoshi Ike
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for cleaning air and apparatus therefor, and method for humi...
- Publication number 20030167922
- Publication date Sep 11, 2003
- Hidetoshi Ike
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL