Hisao Nishiyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning and polishing pad
- Patent number 4,993,099
- Issue date Feb 19, 1991
- Yachiyo Micro Science Company Limited
- Akira Emura
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...