Tetsurou Koyama

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Patents Grantslast 30 patents

Information Patent Grant
Transmission liquid crystal display device with a liquid crystal pa...
- Patent number 5,808,712
- Issue date Sep 15, 1998
- Sharp Kabushiki Kaisha
- Tadanori Hishida
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device having a film for protecting interfac...
- Patent number 5,731,855
- Issue date Mar 24, 1998
- Sharp Kabushiki Kaisha
- Tetsurou Koyama
- G02 - OPTICS