Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482525 | Method of producing elliptic core type polarization-maintaining optical fiber | Hiroshi Kajioka, Kohdo Yamada, Masashi Nakamura, Kazuya Murakami | 1996-01-09 |
| 4946242 | Optical part including integral combination of optical fiber and light emitting or receiving element and method of manufacturing the same | Seikichi Tanno, Noriaki Taketani, Shuji Eguchi, Hideki Asano, Yukio Shimazaki +2 more | 1990-08-07 |
| 4859223 | Method of manufacturing polarization-maintaining optical fibers | Hiroshi Kajioka, Koudo Yamada, Tatsuo Teraoka | 1989-08-22 |
| 4818047 | Polarized wave preserving fiber | Hiroshi Kajioka, Tatsuya Kumagai, Toshihide Tokunaga, Kohdo Yamada | 1989-04-04 |