Yoshimi Katoh

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Takahagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording media and information recording and reproducing u...
- Patent number RE36624
- Issue date Mar 21, 2000
- Hitachi, Ltd.
- Yoshihito Maeda
- 430 - Radiation imagery chemistry: process, composition, or product thereof
Information Patent Grant
Optical recording media and information recording and reproducing u...
- Patent number 5,484,686
- Issue date Jan 16, 1996
- Hitachi, Ltd.
- Yoshihito Maeda
- G11 - INFORMATION STORAGE