Yumi Maejima

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Writing instrument or applicator having resin molded parts
- Patent number 9,597,920
- Issue date Mar 21, 2017
- MITSUBISHI PENCIL COMPANY, LIMITED
- Kei Oomoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
WRITING INSTRUMENT OR APPLICATOR HAVING RESIN MOLDED PARTS
- Publication number 20150063893
- Publication date Mar 5, 2015
- MITSUBISHI PENCIL COMPANY, LIMITED
- Kei Oomoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES