Yoshio Shirai

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disc and fabrication method thereof
- Patent number 6,938,267
- Issue date Aug 30, 2005
- Sony Corporation
- Minoru Kikuchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SPUTTERING DEVICE FOR MULTILAYER OPTICAL RECORDING MEDIUM AND METHO...
- Publication number 20240170016
- Publication date May 23, 2024
- SONY GROUP CORPORATION
- MASATSUGU SUWABE
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc and its manufacturing method
- Publication number 20040032823
- Publication date Feb 19, 2004
- Minoru Kikuchi
- G11 - INFORMATION STORAGE