Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046812 | Apparatus and method for joining coated optical fibers by fusion | Yasuo Asano | 1991-09-10 |
| 4750804 | Optical fiber connecting jig | Keiji Osaka, Yuichi Usui | 1988-06-14 |
| 4749252 | Method for splicing optical fibers | Yasuo Asano, Keiji Osaka, Mitsuaki Osanai | 1988-06-07 |
| 4715876 | Method of and apparatus for coupling multicore coated optical fibers | Keiji Osaka, Yuichi Usui | 1987-12-29 |