Yoshikazu Matsushita

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal optical device
- Patent number 4,929,057
- Issue date May 29, 1990
- Seiko Epson Corporation
- Kenji Aoki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Diagonally offset, dielectric anisotropy inversion, liquid crystal,...
- Patent number 4,671,616
- Issue date Jun 9, 1987
- Seiko Epson Corporation
- Kenji Aoki
- G06 - COMPUTING CALCULATING COUNTING