Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074968 | Chalcogenide glass fiber | Yoshitaka Yoneda, Toshiharu Yamashita | 2000-06-13 |
| 5958103 | Process for producing preform for glass fiber and process for producing glass fiber | Yoshitaka Yoneda, Toshiharu Yamashita | 1999-09-28 |
| 4908053 | Process for producing chalcogenide glass fiber | Junji Nishii, Ikuo Inagawa, Takashi Yamagishi, Ryuji Iizuka | 1990-03-13 |