Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957350 | Liquid crystal display device | Hiroshi Ito, Michiaki Kurosawa | 1990-09-18 |
| 4922239 | Multi-shade color liquid crystal display apparatus | Hiroshi Ito | 1990-05-01 |
| 4736198 | Multi-color liquid crystal display system | Keiichi Tokuyama, Seiji Suda, Osamu Igarashi, Hirohisa Yamamura, Kouzo Katogi +2 more | 1988-04-05 |
| 4708440 | Liquid crystal display device | Hideyuki Ouchi, Kouzou Katogi, Osamu Igarashi, Seiji Suda, Keiichi Tokuyama +1 more | 1987-11-24 |
| 4697886 | Color liquid crystal display device with interdigited segment electrodes | Hiroshi Ito, Sizuhisa Watanate | 1987-10-06 |
| 4673252 | Liquid crystal color display apparatus having fixed and variable color regions | Osamu Igarashi, Kozo Katogi, Hiroshi Ito, Mamoru Nakamura | 1987-06-16 |
| 4664481 | Liquid crystal display device having fluorescent tube illuminator | Hiroshi Ito | 1987-05-12 |
| 4653863 | Liquid crystal display device having louvered filter and strip electrodes | Hiroshi Ito | 1987-03-31 |
| 4349810 | Signal lamp apparatus with a lamp burnout detecting circuit | Osamu Igarashi | 1982-09-14 |
| 4348726 | Method of controlling automobile equipment and control apparatus | Osamu Igarashi, Shizuhisa Watanabe | 1982-09-07 |