Isamu Masuda

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water improvement appliance
- Patent number D402011
- Issue date Dec 1, 1998
- Nihon Kenko Zoushin Kenkyukai Corporation
- Isamu Masuda
- D23 - Environmental heating and cooling
Information Patent Grant
Water improvement appliance
- Patent number D398965
- Issue date Sep 29, 1998
- Nihon Kenko Zoushin Kenkyukai Corporation
- Isamu Masuda
- D23 - Environmental heating and cooling
Information Patent Grant
Poster
- Patent number D361733
- Issue date Aug 29, 1995
- Nihon Kenko Zoushin Kenkyukai Corporation
- Isamu Masuda
- D11 - Jewelry, symbolic insignia, and ornaments