Shigeyuki Kaho

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical writing type liquid crystal light valve and writing apparat...
- Patent number 5,281,806
- Issue date Jan 25, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Kazuro Nishi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical writing type liquid crystal light valve and writing apparat...
- Patent number 5,231,282
- Issue date Jul 27, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Kazuro Nishi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS