Shin-ichi Ogawa

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium and process for making same
- Patent number 5,914,152
- Issue date Jun 22, 1999
- Showa Denko Kabushiki Kaisha
- Daizo Endo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium comprising a substrate, magnetic layer, a...
- Patent number 5,731,070
- Issue date Mar 24, 1998
- Showa Denko Kabushiki Kaisha
- Daizo Endo
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic recording medium
- Patent number 5,582,878
- Issue date Dec 10, 1996
- Showa Denko Kabushiki Kaisha
- Shin-ichi Ogawa
- G11 - INFORMATION STORAGE