Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440673 | Radiation resistant single-mode optical fiber and method of manufacturing thereof | Kazuhiko Aikawa, Katsuaki Izoe, Manabu Kudoh, Takashi Tsumanuma | 2008-10-21 |
| 6738549 | Polarization maintaining optical fiber and production method for polarization maintaining optical fiber preform | Tadayuki Inaba, Shigeru Emori, Kuniharu Himeno | 2004-05-18 |
| 6687442 | Optical fiber for preserving plane of polarization | Kuniharu Himeno, Akira Wada | 2004-02-03 |
| 6597847 | Optical fiber for preserving plane of polarization | Fumihiko Nishimura, Kuniharu Himeno | 2003-07-22 |
| 6090262 | Barrel plating method | Masaaki Ide, Takamasa Suzuki | 2000-07-18 |
| 5048923 | Image fiber, image fiber preform, and manufacturing processes thereof | Takashi Tsumanuma, Toshiyuki Tanaka, Katsuyuki Seto, Kazuo Sanada, Kouji Tanaka | 1991-09-17 |
| 4836639 | Optical fiber cable having a neutral axis defining a zero stress | Hideo Suzuki, Yasuyuki Sugawara, Masaaki Kawase, Hiromichi Shinohara | 1989-06-06 |