Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044651 | Ferrule heating apparatus and method of adhering ferrule and optical fiber | Kunio Yamada, Takehiko Narita, Tatsuya Fujiwara, Yuichi Arai | 2006-05-16 |
| 5314520 | Method for manufacturing optical fiber preform | Takeshi Yagi, Yoshiaki Koinuma, Kazuaki Yoshida | 1994-05-24 |
| 5185020 | Method for manufacturing a silica-base material for optical fiber | Takayuki Morikawa, Hiroshi Hihara, Takeshi Yagi, Kazuaki Yoshida | 1993-02-09 |
| 5169421 | Method of manufacturing silica glass optical waveguide preform | Takeshi Yagi, Hiroshi Hihara, Takayuki Morikawa, Kazuaki Yoshida | 1992-12-08 |