Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11347086 | Optical element | Katsutoshi Kondo, Kiyotaka Nakano, Eiji Murakami | 2022-05-31 |
| 10502982 | Optical modulator | Kei Katou, Toshio Kataoka | 2019-12-10 |
| 10502988 | Optical modulator module | Takatomo Itou | 2019-12-10 |
| 10498457 | Optical carrier-suppressed signal generator | Takeshi Sakai, Masahito Mure | 2019-12-03 |
| 10466513 | Optical waveguide device | Toshio Kataoka | 2019-11-05 |
| 10401658 | Optical modulator and optical switch | Toshio Kataoka, Kei Kato | 2019-09-03 |
| 10365534 | Optical waveguide device | Yuu Nakata, Katsutoshi Kondou, Tetsuya Fujino | 2019-07-30 |
| 10365506 | Optical modulator | Kei Katou, Toshio Kataoka | 2019-07-30 |
| 10338414 | Optical modulator module | Takeshi Sakai | 2019-07-02 |
| 10088734 | Waveguide-type optical element | Katsutoshi Kondou, Toshio Kataoka | 2018-10-02 |
| 10067403 | Optical modulator and optical switch | Toshio Kataoka | 2018-09-04 |
| 9946100 | Waveguide type optical element | Teppei Yanagawa, Katsutoshi Kondou, Tetsuya Fujino | 2018-04-17 |
| 9746741 | Optical modulator | Toshio Kataoka, Katsutoshi Kondou | 2017-08-29 |
| 9599843 | Optical modulator | Katsutoshi Kondou | 2017-03-21 |
| 9551887 | Optical modulator | Toshio Kataoka, Katsutoshi Kondou | 2017-01-24 |
| 9519200 | Optical control device | Toshio Kataoka, Masayuki Motoya | 2016-12-13 |
| 9348156 | Optical waveguide element and method for manufacturing optical waveguide element | Katsutoshi Kondou | 2016-05-24 |
| 9235066 | Optical modulator | Satoshi Oikawa, Hiroshi Murata | 2016-01-12 |
| 9057893 | Light control element | Masayuki Motoya, Hiroshi Murata | 2015-06-16 |
| 9002165 | Optical waveguide device | Masayuki Ichioka, Mitsuru Sakuma | 2015-04-07 |
| 8983239 | Optical control element having a plurality of optical control portions | Masayuki Ichioka, Masaaki Sudou | 2015-03-17 |
| 8867042 | Method for evaluating characteristic of optical modulator having mach-zehnder interferometer | Tetsuya Kawanishi, Akito Chiba, Masaaki Sudo | 2014-10-21 |
| 8755641 | Optical modulator | Satoshi Oikawa, Hiroshi Murata, Yasuyuki Ozeki | 2014-06-17 |
| 8737773 | Optical control element | Masayuki Motoya, Hiroshi Murata | 2014-05-27 |
| 8669121 | Method for forming polarization reversal | Futoshi Yamamoto, Satoshi Oikawa, Sunao Kurimura, Kenji Kitamura | 2014-03-11 |