Takehiko Shima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Direct liquid-writing instrument
- Patent number 8,113,732
- Issue date Feb 14, 2012
- Micro Co., Ltd.
- Takehiko Shima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Direct liquid-writing instrument
- Publication number 20090028628
- Publication date Jan 29, 2009
- Takehiko Shima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES