Tsunekiyo Iwakawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plasma display apparatus
- Patent number 4,859,910
- Issue date Aug 22, 1989
- NEC Corporation
- Tsunekiyo Iwakawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device
- Patent number 4,716,341
- Issue date Dec 29, 1987
- NEC Corporation
- Osamu Oida
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS