Noriaki Shirahama

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Onojo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Adsorber for humidity and odorous gas exchange
- Patent number RE37779
- Issue date Jul 2, 2002
- Seibu Giken Co., Ltd.
- Toshimi Kuma
- 428 - Stock material or miscellaneous articles
Information Patent Grant
Adsorber for humidity and odorous gas exchange
- Patent number 5,753,345
- Issue date May 19, 1998
- Kabushiki Kaisha Seibu Giken
- Toshimi Kuma
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Total heat energy exchanger element preventing a transfer of odors...
- Patent number 5,580,370
- Issue date Dec 3, 1996
- Kabushiki Kaisha Seibu Giken
- Toshimi Kuma
- F24 - HEATING RANGES VENTILATING