Ippei Matsumoto

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording material, optical recording medium, and recording...
- Patent number 8,431,207
- Issue date Apr 30, 2013
- Ricoh Company, Ltd.
- Tohru Yashiro
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL RECORDING MATERIAL, OPTICAL RECORDING MEDIUM, AND RECORDING...
- Publication number 20100118680
- Publication date May 13, 2010
- Ricoh Company Ltd.
- Tohru Yashiro
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL RECORDING MEDIUM, OPTICAL RECORDING APPARATUS, AND SYSTEM T...
- Publication number 20100027393
- Publication date Feb 4, 2010
- Tohru Yashiro
- G11 - INFORMATION STORAGE