Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8699843 | Optical fiber ribbon holding member, optical fiber ribbon holding method, and optical fiber ribbon bundle | Terutake Kobayashi, Kunihiko Fujiwara | 2014-04-15 |
| 8625953 | Optical fiber ribbon holding member, optical fiber ribbon holding method, optical fiber ribbon bundle and holding member fixture | Terutake Kobayashi, Kunihiko Fujiwara | 2014-01-07 |
| 7918610 | Optical transceiver and optical connector | Kunihiko Fujiwara, Akito Nishimura, Yukio Hayashi, Takanori Shimizu, Ichiro Hatakeyama +1 more | 2011-04-05 |
| 7534052 | Optical transceiver and optical connector | Kunihiko Fujiwara, Akito Nishimura, Yukio Hayashi, Takanori Shimizu, Ichiro Hatakeyama +1 more | 2009-05-19 |
| 6854898 | Optical connector | Nozomu Natori | 2005-02-15 |
| 6226434 | Closure for cable connection | Koji Koshiyama, Tadashi Hattori, Yasunari Tsuruta, Yasuhiro Tamaki, Hiroshi Yokosuka | 2001-05-01 |
| 5689578 | Polarized wave holding optical fiber, production method therefor, connection method therefor, optical amplifier, laser oscillator and polarized wave holding optical fiber coupler | Ryozo Yamauchi, Kuniharu Himeno, Minoru Sawada, Fumio Suzuki, Kazuhiko Aikawa +1 more | 1997-11-18 |
| 5526459 | Erbium-doped silica optical fiber preform | Daiichirou Tanaka, Akira Wada, Tetsuya Sakai, Ryozo Yamauchi | 1996-06-11 |
| 5474588 | Solution doping of a silica preform with erbium, aluminum and phosphorus to form an optical fiber | Daiichirou Tanaka, Akira Wada, Tetsuya Sakai, Ryozo Yamauchi | 1995-12-12 |
| 5267339 | Optical fiber having a core with a repeatedly changing constitutional parameter | Ryozo Yamauchi, Akira Wada, Daiichirou Tanaka, Tetsuya Sakai | 1993-11-30 |