Hisaaki Kawaguchi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for cleaning glass surface of pavement light or r...
- Patent number 7,291,056
- Issue date Nov 6, 2007
- Sanki Engineering Co., Ltd.
- Naoyuki Ohishi
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
Method and system for cleaning
- Publication number 20070037484
- Publication date Feb 15, 2007
- Naoyuki Ohishi
- B08 - CLEANING