Manabu Iwai

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium capable of assuring sufficient levels of s...
- Patent number 6,487,164
- Issue date Nov 26, 2002
- Sony Corporation
- Sohmei Endoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 6,198,704
- Issue date Mar 6, 2001
- Sony Corporation
- Yoshihito Fukushima
- G11 - INFORMATION STORAGE