Kazuhiro Kotaka

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermal insulation stamper and production method of same
- Patent number 8,070,476
- Issue date Dec 6, 2011
- Ricoh Company, Ltd.
- Kazuhiro Kotaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
THERMAL INSULATION STAMPER AND PRODUCTION METHOD OF SAME
- Publication number 20090074903
- Publication date Mar 19, 2009
- Kazuhiro Kotaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL