Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6965475 | Optical component, optical device and optical communications system | Masakazu Shigehara | 2005-11-15 |
| 6917471 | Diffraction grating element | Masakazu Shigehara | 2005-07-12 |
| 6915045 | Optical waveguide type grating element, production method thereof, multiplexer/demultiplexer module, and optical transmission system | Ken Hashimoto, Toshikazu Shibata, Akira Inoue | 2005-07-05 |
| 6882777 | Optical waveguide diffraction grating device, method for fabricating optical waveguide diffraction grating device, multiplexing/demultiplexing module, and optical transmission system | Akira Inoue | 2005-04-19 |
| 6868198 | Optical switch for switching between multiple main light emitters | Takahiro Sunaga, Makoto Katayama, Tomohiko Kanie, Masato Furukawa | 2005-03-15 |
| 6854897 | Ferrule part and optical communications module | Masaki Furumai, Shuzo Suzuki, Hitoshi Terauchi, Manabu Yoshimura, Kazuhito Saito +1 more | 2005-02-15 |
| 6847053 | Optical transmitter | Yoshiki Kuhara, Naoyuki Yamabayashi | 2005-01-25 |
| 6835990 | Semiconductor light receiving element | Yasuhiro Iguchi, Akira Yamaguchi, Takashi Iwasaki, Kenji Ohki | 2004-12-28 |
| 6805492 | Ferrule product, method of making the same, and optical module | Jun Hashimoto, Takashi Kato, Naoki Karikomi | 2004-10-19 |
| 6782155 | Optical switch | Makoto Katayama, Masayuki Nishimura, Tomohiko Kanie | 2004-08-24 |
| 6483955 | Diffraction grating device | Toru Iwashima, Masakazu Shigehara, Kiyotaka Murashima | 2002-11-19 |
| 6345916 | Fiber optic connector and its manufacturing method | Dai Yui, Kei Sunaga, Teruo Ikechi, Hidetoshi Ishida, Takashi Sasaki +1 more | 2002-02-12 |
| 6273620 | Semiconductor light emitting module | Takashi Kato, Goro Sasaki | 2001-08-14 |