Sachiko ONUKI

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Patents Grantslast 30 patents

Information Patent Grant
Ink composition, writing instrument and method for producing ink co...
- Patent number 11,697,743
- Issue date Jul 11, 2023
- PENTEL KABUSHIKI KAISHA
- Sachiko Onuki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
INK COMPOSITION , WRITING INSTRUMENT AND METHOD FOR PRODUCING INK C...
- Publication number 20210095144
- Publication date Apr 1, 2021
- Sachiko ONUKI
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES