Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929057 | Liquid crystal optical device | Kenji Aoki, Katsumori Takei, Haruo Nakamura | 1990-05-29 |
| 4671616 | Diagonally offset, dielectric anisotropy inversion, liquid crystal, microshutters | Kenji Aoki, Katsumori Takei, Haruo Nakamura | 1987-06-09 |
| 4556891 | Printing apparatus and method | Masaki Takei, Masatoshi Yonekubo, Tsutomu Nishiwaki | 1985-12-03 |