Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7574087 | Optical fiber | Dai Inoue, Hiroshi Oyamada | 2009-08-11 |
| 7333702 | Fiber optics transmission line | Jin Fujita, Kazuaki Morita | 2008-02-19 |
| 7092610 | Optical fiber for attenuating optical signal | Masamitsu Yamaguchi, Gen Tanimoto, Kentaro Nouchi, Eiji Matsuyama | 2006-08-15 |
| 6269210 | Optical fiber | Kenji Yagi, Tomotaka Murase, Keiko Shiraishi, Ken-ichi Muta, Takashi Yoshida +3 more | 2001-07-31 |
| 6221555 | Photo-sensitive fiber | Yuichi Murakami, Kenichi Muta, Jen-Hung Chu, Hen-Tai Shang | 2001-04-24 |
| 5841926 | Optical fibers for optical attenuation | Yoshiaki Takeuchi, Ryo Nagase, Seiko Mitachi, Akira Kumagai, Yumi Ariga +3 more | 1998-11-24 |