Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164715 | Color display device | Houichiro Kashiwabara, Ryouichi Akiyama, Satoshi Nakagawa, Izumi Funakoshi | 1992-11-17 |
| 5126864 | Ferroelectric liquid crystal panel having a ferroelectric optical compensating liquid crystal cell | Ryouichi Akiyama, Kazuhisa Ui, Masafumi Ide | 1992-06-30 |