Kazuyoshi Ishii

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information signal recording disc comprising a connected region for...
- Patent number 4,707,733
- Issue date Nov 17, 1987
- Victor Company of Japan, Ltd.
- Tatsuya Shinyagaito
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Information signal recording disc recorded with an end signal for s...
- Patent number 4,695,904
- Issue date Sep 22, 1987
- Victor Company of Japan, Ltd.
- Tatsuya Shinyagaito
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS