Yukio Hirano

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric vacuum cleaner
- Patent number D311614
- Issue date Oct 23, 1990
- Matsushita Electric Industrial Co., Ltd.
- Yukio Hirano
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Air cleaner
- Patent number D307936
- Issue date May 15, 1990
- Matsushita Electric Industrial Co., Ltd.
- Yukio Hirano
- D23 - Environmental heating and cooling