Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054675 | Optical modulator and method for manufacturing the same | Shigeki Takahashi, Mitsuru Takenaka | 2021-07-06 |
| 11009726 | Electroab sorption optical modulator | — | 2021-05-18 |
| 10996539 | Electro-optic modulator | Shigeki Takahashi | 2021-05-04 |
| 10340399 | Optical device | Shigekazu Okumura, Tohru Mogami, Keizo Kinoshita, Tsuyoshi Horikawa | 2019-07-02 |
| 10274757 | Electro-optic device | Shigeki Takahashi | 2019-04-30 |
| 10146070 | Optical modulator and method of manufacturing same | Shigeki Takahashi, Mitsuru Takenaka, Younghyun Kim | 2018-12-04 |
| 10025159 | Output monitoring method for optical modulator and output monitoring device | — | 2018-07-17 |
| 9897752 | Optical end coupling type silicon optical integrated circuit | Shigeki Takahashi | 2018-02-20 |
| 9829726 | Electro-optical modulator | Toshihiro Kamei, Ryohei Takei, Masahiko Mori, Youichi Sakakibara | 2017-11-28 |
| 9703125 | Silicon-based electro-optic modulator | Shigeki Takahashi | 2017-07-11 |
| 9621279 | Optical receiver circuit | Daisuke Okamoto, Tatsuya Usuki | 2017-04-11 |
| 9548818 | Optical modulator and operating point control method | Shigeki Takahashi | 2017-01-17 |
| 9406832 | Waveguide-coupled MSM-type photodiode | Takahiro Nakamura | 2016-08-02 |
| 9341868 | Silicon-based electro-optical device | Shigeki Takahashi | 2016-05-17 |
| 9244295 | Optical modulator and optical modulation device with zigzag electrode and waveguide arm alignment | Shigeki Takahashi | 2016-01-26 |
| 9020312 | Connecting channel | Jun Ushida | 2015-04-28 |
| 9002144 | Electro-optical modulator | Jun Ushida, Akio Toda, Motofumi Saitoh | 2015-04-07 |
| 8936962 | Optical modulator and method for manufacturing same | Toshio Baba, Jun Ushida | 2015-01-20 |
| 8873895 | Optical modulator | Motofumi Saitoh, Jun Ushida, Akio Toda | 2014-10-28 |
| 8853812 | Photodetector, optical communication device equipped with the same, method for making of photodetector, and method for making of optical communication device | Daisuke Okamoto | 2014-10-07 |
| 8637951 | Semiconductor light receiving element and optical communication device | Daisuke Okamoto, Kenichi Nishi | 2014-01-28 |
| 8532440 | Silicon-based electro-optic device | Jun Ushida, Ming-Bin Yu, Liang Ding, Shiyang Zhu | 2013-09-10 |
| 8483520 | Optical modulation structure and optical modulator | Jun Ushida, Akio Toda, Motofumi Saitoh | 2013-07-09 |
| 8467637 | Waveguide path coupling-type photodiode | Jun Ushida, Daisuke Okamoto, Kenichi Nishi, Keishi Ohashi, Tai Tsuchizawa +1 more | 2013-06-18 |
| 8466528 | Semiconductor light-receiving element, optical communication device, optical interconnect module, and photoelectric conversion method | Daisuke Okamoto | 2013-06-18 |