Akina Niwa

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Patents Grantslast 30 patents

Information Patent Grant
Refill for writing tool and writing tool
- Patent number 9,688,092
- Issue date Jun 27, 2017
- Kuretake Co., Ltd.
- Akina Niwa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Refill for Writing Tool and Writing Tool
- Publication number 20150202912
- Publication date Jul 23, 2015
- Kuretake Co., Ltd.
- Akina Niwa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES