Toru Asahi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Substrate for magnetic recording medium
- Patent number 7,242,553
- Issue date Jul 10, 2007
- Shin-Etsu Chemical Co., Ltd.
- Tetsuya Osaka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PERPENDICULAR MAGNETIC RECORDING MEDIUM, PRODUCTION PROCESS THEREOF...
- Publication number 20090029190
- Publication date Jan 29, 2009
- SHOWA DENKO K.K.
- Masahiro Ohmori
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording medium, production process thereof...
- Publication number 20050249984
- Publication date Nov 10, 2005
- Showa Denko K.K.
- Masahiro Ohmori
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording medium and substrate for magnetic recording medium
- Publication number 20050057855
- Publication date Mar 17, 2005
- Tetsuya Osaka
- G11 - INFORMATION STORAGE