Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8102596 | Optical fiber for amplification | Junji Iihara, Masashi Onishi, Shinji Ishikawa | 2012-01-24 |
| 8023181 | Optical fiber for amplification and optical fiber amplifier | — | 2011-09-20 |
| 7940815 | Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser | Motoki Kakui, Takahiro Murata | 2011-05-10 |
| 7894697 | Optical fiber, optical transmission line, optical module, and optical transmission system | Takashi Sasaki, Kazumasa Makihara, Masashi Onishi, Masaaki Hirano | 2011-02-22 |
| 7822307 | Optical fiber ribbon for wiring of equipment and connector-attached optical fiber ribbon for wiring of equipment | Kazunori Tanaka, Kazumasa Oishi, Tomoyuki Hattori, Wataru Sakurai, Mitsuaki Tamura +1 more | 2010-10-26 |
| 7586673 | Optical gain waveguide and method of controlling the same | Takahiro Murata, Motoki Kakui | 2009-09-08 |
| 7436583 | Optical amplification fiber, optical amplifier module, optical communication system and optical amplifying method | Motoki Kakui, Shinji Ishikawa | 2008-10-14 |
| 7286740 | Optical fiber, optical transmission line, optical module and optical transmission system | Takashi Sasaki, Kazumasa Makihara, Masashi Onishi, Masaaki Hirano | 2007-10-23 |
| 7130513 | Glass-body-producing method and optical glass body and optical fiber | Shinji Ishikawa, Toshiki Taru, Tetsutarou Katayama, Nobuyuki Taira | 2006-10-31 |
| 7016582 | Polarized wave holding optical fiber, and method of producing the same | Iwao Okazaki, Ichiro Tsuchiya, Shinji Ishikawa, Motohide Yoshida, Kazuyuki Soma | 2006-03-21 |