Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11555967 | Fiber connection structure provided with optical connector, module, and assembly | Kazuya Masuda | 2023-01-17 |
| 10962709 | Optical fiber and optical fiber grating | Shigehiro Nagano, Masayuki Yamazaki | 2021-03-30 |
| 9176295 | Stranded optical cable with connectors | Itaru Sakabe, Kazuyuki Soma, Tomoyuki Hattori, Kenichiro Ohtsuka | 2015-11-03 |
| 8821036 | Optical module and optical system | — | 2014-09-02 |
| 7712979 | Optical adapter | Masahiro Shibata | 2010-05-11 |
| 7521660 | Optical signal processor and optical signal processing method for processing optical signals in optical communications systems | Michiko Takushima, Tomomi Sano, Osamu SHIMAKAWA, Tatsuhiko Tanaka | 2009-04-21 |
| 7502167 | Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element | Manabu Shiozaki | 2009-03-10 |
| 7203399 | Optical fiber and fiber grating type filter including the same | Shinji Ishikawa, Toshiki Taru, Masaki Ohmura | 2007-04-10 |
| 7184214 | Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element | Manabu Shiozaki | 2007-02-27 |
| 7110636 | Optical device control apparatus and optical device control method | Kenichiro Takahashi, Makoto Katayama | 2006-09-19 |
| 7085054 | Diffraction grating element | Manabu Shiozaki | 2006-08-01 |
| 7079311 | Optical amplifier and optical communication system including the same | Motoki Kakui | 2006-07-18 |
| 7019904 | Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element | Manabu Shiozaki | 2006-03-28 |
| 6965475 | Optical component, optical device and optical communications system | Manabu Shiozaki | 2005-11-15 |
| 6952511 | Gain equalizer and optical amplification apparatus | Masaki Ohmura | 2005-10-04 |
| 6917471 | Diffraction grating element | Manabu Shiozaki | 2005-07-12 |
| 6892003 | Variable dispersion compensator and optical transmission system | Makoto Katayama, Toshiaki Okuno, Masayuki Nishimura, Tomomi Sano, Hiroshi Suganuma +2 more | 2005-05-10 |
| 6867907 | Pumping light source unit, raman amplifier, and optical transmission system | Masayuki Inoue, Motoki Kakui | 2005-03-15 |
| 6842566 | Optical fiber with built-in grating and optical fiber for forming grating therein | Shinji Ishikawa, Toshiki Taru, Masaki Oomura | 2005-01-11 |
| 6825981 | Optical signal processor | Michiko Takushima, Tomomi Sano, Makoto Katayama | 2004-11-30 |
| 6823106 | Optical multiplexer/demultiplexer and adjustment method thereof | Michiko Takushima, Hiroshi Suganuma, Tomomi Sano | 2004-11-23 |
| 6819482 | Optical amplifier and optical communication system including the same | Motoki Kakui | 2004-11-16 |
| 6804437 | Diffraction grating device manufacturing method, diffraction grating device manufacturing apparatus, and diffraction grating device | Kiyotaka Murashima, Ken Hashimoto, Toshikazu Shibata, Akira Inoue, Masaki Ohmura | 2004-10-12 |
| 6788874 | Optical component | Shinji Ishikawa | 2004-09-07 |
| 6785444 | Optical fiber grating device | Shinji Ishikawa, Michiko Takushima, Tadashi Enomoto | 2004-08-31 |