Natsumi Koide

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Oily ink composition for ballpoint pens
- Patent number 9,365,732
- Issue date Jun 14, 2016
- Pentel Kabushiki Kaisha
- Aya Otsubo
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
OILY INK COMPOSITION FOR BALLPOINT PENS
- Publication number 20150071698
- Publication date Mar 12, 2015
- Aya Otsubo
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES