Toshiyuki Utsuki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric fan
- Patent number D307470
- Issue date Apr 24, 1990
- Hitachi, Ltd.
- Toshiyuki Utsuki
- D23 - Environmental heating and cooling
Information Patent Grant
Electric fan
- Patent number D291352
- Issue date Aug 11, 1987
- Hitachi, Ltd.
- Shuichi Kouno
- D23 - Environmental heating and cooling
Information Patent Grant
Electric fan
- Patent number D290997
- Issue date Jul 21, 1987
- Hitachi, Ltd.
- Toshiyuki Utsuki
- D23 - Environmental heating and cooling
Information Patent Grant
Electric fan
- Patent number D290872
- Issue date Jul 14, 1987
- Hitachi, Ltd.
- Shuichi Kouno
- D23 - Environmental heating and cooling