Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10200116 | Multi-lane transmission device and multi-lane transmission method | Kei Kitamura, Kenji Hisadome, Yoshiaki Yamada, Osamu Ishida | 2019-02-05 |
| 10193566 | Encoding/decoding system for parallel data | Yoshiaki Yamada, Kei Kitamura, Kenji Hisadome | 2019-01-29 |
| 10122462 | Transport apparatus and transport method | Takuya Ohara, Kei Kitamura, Yoshiaki Kisaka, Shigeki Aisawa, Masahiro Suzuki +5 more | 2018-11-06 |
| 9973270 | Multi-lane transmission device and multi-lane transmission method | Kei Kitamura, Kenji Hisadome, Yoshiaki Yamada, Osamu Ishida | 2018-05-15 |
| 9054894 | Signal block sequence processing method and signal block sequence processing apparatus | Shoukei Kobayashi, Takehito Yamamoto, Osamu Ishida, Yoshiaki Kisaka | 2015-06-09 |
| 7555215 | Optical wavelength division multiplexing access system | Hirotaka Nakamura, Junichi KANI, Hiroo Suzuki, Ukyo Yamaguchi, Hidetaka Onishi +1 more | 2009-06-30 |
| 7206510 | Ring network using multi-wavelength generator | Hiroo Suzuki, Masamichi Fujiwara, Koji Akimoto, Shingo Kawai, Jun-ichi Kani +2 more | 2007-04-17 |
| 7155127 | Optical communication system, optical communication unit, and optical transceiving package | Koji Akimoto, Jun-ichi Kani, Katsumi Iwatsuki, Masaki Fukui | 2006-12-26 |
| 7127168 | Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter | Jun-ichi Kani, Katsuhiro Araya, Noboru Takachio, Koji Akimoto, Masamichi Fujiwara +3 more | 2006-10-24 |
| 7106970 | Polarization scrambler and optical network using the same | Masamichi Fujiwara, Noboru Takachio, Katsumi Iwatsuki | 2006-09-12 |
| 7076166 | Low-cost optical burst transmission system, apparatus, and method | Masaru Fuse, Toru Shiozaki, Yoshikazu Ishii, Hiroaki Asano, Kuniaki Utsumi +3 more | 2006-07-11 |
| 7068412 | Multi-wavelength generating method and apparatus based on flattening of optical spectrum | Masamichi Fujiwara, Katsuhiro Araya, Junichi KANI, Kenichi Suzuki | 2006-06-27 |
| 7031614 | Polarization scrambler and optical network using the same | Masamichi Fujiwara, Noboru Takachio, Katsumi Iwatsuki | 2006-04-18 |
| 6959152 | Polarization scrambler and optical network using the same | Masamichi Fujiwara, Noboru Takachio, Katsumi Iwatsuki | 2005-10-25 |
| 6924924 | Multi-wavelength generating method and apparatus based on flattening of optical spectrum | Masamichi Fujiwara, Katsuhiro Araya, Junichi KANI, Kenichi Suzuki | 2005-08-02 |
| 6831774 | Multi-wavelength generating method and apparatus based on flattening of optical spectrum | Masamichi Fujiwara, Katsuhiro Araya, Junichi KANI, Kenichi Suzuki | 2004-12-14 |
| 6744546 | Multilevel light-intensity modulating circuit | Takuya Nakamura, Jun-ichi Kani, Noboru Takachio | 2004-06-01 |
| 5617234 | Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating | Masafumi Koga, Hitoshi Obara, Ken'ichi Sato | 1997-04-01 |