Shigemichi Oyama

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Combined ceiling fan and light
- Patent number D352552
- Issue date Nov 15, 1994
- Matsushita Seiko Co., Ltd.
- Shigemichi Oyama
- D23 - Environmental heating and cooling
Information Patent Grant
Combined ceiling fan and light
- Patent number D334055
- Issue date Mar 16, 1993
- Matsushita Electric Industrial Co., Ltd.
- Shigemichi Oyama
- D23 - Environmental heating and cooling