Akihiro OHKOUCHI

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Fukushima-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical pencil having lead-rotating mechanism
- Patent number 9,180,722
- Issue date Nov 10, 2015
- Micro Co., Ltd.
- Tomohiro Hosoya
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
MECHANICAL PENCIL HAVING LEAD-ROTATING MECHANISM
- Publication number 20140079462
- Publication date Mar 20, 2014
- Tomohiro HOSOYA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES