Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638479 | Optical part | Manabu Takami, Atsunori Matsuda, Yoshihiro Matsuno, Shinya Katayama, Toshio Tsuno | 1997-06-10 |
| 5139557 | Method of performing an ion exchange of optical glass | Shigeo Kittaka, Hiroshi Koshi, Yoshikazu Kaite, Minoru Toyama | 1992-08-18 |
| 4472030 | Cesium-containing optical glass | Masakiyo Tachibana, Yukio Noguchi | 1984-09-18 |