Yoshiyuki Sawayama

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid applicator
- Patent number 8,740,489
- Issue date Jun 3, 2014
- Kotobuki & Co., Ltd.
- Hidehei Kageyama
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Liquid Applicator
- Publication number 20100003063
- Publication date Jan 7, 2010
- Kotobuki & Co, Ltd
- Hidehei Kageyama
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES