Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376993 | Optical axis correction lens device | Michio Oka | 1994-12-27 |
| 5370076 | Method of producing single crystal of KTiOPO.sub.4 | Tsutomu Okamoto, Koji Watanabe, Tatsuo Fukui, Yasushi Minoya, Koichi Tatsuki | 1994-12-06 |
| 5313449 | Optical recording medium and method of optically playing back same including recording medium structure operating as optical resonators emitting applied pumping light at a variable frequency | Yushi Kaneda, Hisashi Masuda | 1994-05-17 |