Masato Yamamura

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording material and method for producing same
- Patent number 5,474,873
- Issue date Dec 12, 1995
- Sony Corporation
- Junichi Akamatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiple layer optical record medium with protective layers and met...
- Patent number 5,364,735
- Issue date Nov 15, 1994
- Sony Corporation
- Junichi Akamatsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Printed circuit board
- Patent number 4,326,239
- Issue date Apr 20, 1982
- Sony Corporation
- Mitsuo Ohsawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR