Taro Ohmura

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 6,136,410
- Issue date Oct 24, 2000
- Sony Corporation
- Kazuhiro Okamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic recording medium
- Patent number 5,945,156
- Issue date Aug 31, 1999
- Sony Corporation
- Yoshihiro Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a backcoat composition with low ch...
- Patent number 5,786,093
- Issue date Jul 28, 1998
- Sony Corporation
- Hiroji Naruse
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic recording medium
- Patent number 5,702,757
- Issue date Dec 30, 1997
- Sony Corporation
- Taro Ohmura
- G11 - INFORMATION STORAGE