Toshitaka Shigeoka

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Suita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electroluminescent device having sub-interlayers for high luminous...
- Patent number 5,229,628
- Issue date Jul 20, 1993
- Nippon Sheet Glass Co., Ltd.
- Shiro Kobayashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS