Noboru Takeuchi

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light controlling sheet
- Patent number 4,892,387
- Issue date Jan 9, 1990
- Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Noboru Takeuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light controlling sheet
- Patent number 4,788,094
- Issue date Nov 29, 1988
- Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Masayuki Morita
- G02 - OPTICS
Information Patent Grant
Light controlling sheet
- Patent number 4,772,097
- Issue date Sep 20, 1988
- Kabushiki Kaisha Tokai Rika
- Noboru Takeuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS