Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359443 | Process for producing heat-resistant optical element by heating liquid crystal polymer at polymerization temperature during or after orientation treatment | Hiroyuki Itoh | 1994-10-25 |
| 5326496 | Compensator for liquid crystal display | Shigeki Iida, Yasuyuki Takiguchi, Takamichi Enomoto | 1994-07-05 |
| 5288426 | Nonlinear optical materials | Hiroyuki Itoh, Takafumi Ishii, Tetsuo Satoh | 1994-02-22 |