Tatsuya Nishimura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical device and beam gun device using this optical device
- Patent number 5,213,335
- Issue date May 25, 1993
- Sega Enterprises, Ltd.
- Shingo Dote
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS