Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344513 | Method of manufacturing laminated transparent substrate having birefringence | — | 1994-09-06 |
| 5179456 | Optical birefringence compensator | Masanobu Aizawa, Shigekazu Yamauchi, Jean-Frederic Clerc, Shinichi Hirose | 1993-01-12 |