Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10254625 | Optical signal processing device | Kenya Suzuki, Kei Kuwabara, Yuichi Higuchi, Mitsumasa Nakajima, Yuichiro Ikuma +3 more | 2019-04-09 |
| 9723387 | Optical signal processing device with an array waveguide coupled to a slab waveguide with two arcs | Kenya Suzuki, Kazunori Seno, Tetsuo Takahashi, Toshio Watanabe, Takeshi Kawai +4 more | 2017-08-01 |
| 9500811 | Optical circuit | Hiroshi Tomita, Kenji Kobayashi, Toru Miura | 2016-11-22 |
| 9307301 | Optical switch | Kenya Suzuki, Kazunori Seno, Toshio Watanabe, Tetsuo Takahashi | 2016-04-05 |
| 9201194 | Optical module | Hiroshi Tomita, Kenji Kobayashi, Yuko Kawajiri, Kenya Suzuki | 2015-12-01 |
| 9036958 | Optical component | Motohaya Ishii, Kazunori Seno, Yoshiyuki Doi, Ken Tsuzuki, Takao Fukumitsu +5 more | 2015-05-19 |
| 8983252 | Optical circuit and optical signal processing apparatus using the same | Motohaya Ishii, Kenya Suzuki, Shinji Mino | 2015-03-17 |
| 8346086 | Optical signal processing device | Kenya Suzuki, Motohaya Ishii, Shinji Mino, Kazunori Seno | 2013-01-01 |
| 8260139 | Dispersion compensator | Kenya Suzuki, Kazunori Seno, Shinji Mino, Motohaya Ishii | 2012-09-04 |
| 8204347 | Optical signal processing device | Kenya Suzuki, Motohaya Ishii, Shinji Mino, Atsushi Aratake | 2012-06-19 |
| 6122416 | Stacked thermo-optic switch, switch matrix and add-drop multiplexer having the stacked thermo-optic switch | Takashi Kurihara, Toshio Watanabe | 2000-09-19 |
| 6084050 | Thermo-optic devices | Toshio Watanabe, Takashi Kurihara, Saburo Imamura, Shoichi Hayashida, Toshiaki Tamamura +3 more | 2000-07-04 |