Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339562 | Optical modulator | Kenji Endou, Hiroki Hara | 2025-06-24 |
| 12174510 | Optical modulation element | Kenji Endou, Hiroki Hara | 2024-12-24 |
| 12164185 | Optical modulation element | Anthony Reymund Melad Binarao, Cheng Bu Heng, Hiroshi Take, Kenji Nagase, Hiroki Hara | 2024-12-10 |
| 12085791 | Optical waveguide element and optical modulation element | Hiroki Hara, Anthony Reymund Melad Binarao, Cheng Bu Heng, Hiroshi Take, Kenji Nagase | 2024-09-10 |
| 11366344 | Optical modulator | Makoto Endo, Kenji Sasaki | 2022-06-21 |
| 11226531 | Optical modulator | Makoto Endo, Kenji Sasaki | 2022-01-18 |
| 11086149 | Electro-optic device | Kenji Sasaki, Hiroki Hara, Yasuhiro Ohmori, Masaharu Doi, Shintaro Takeuchi +2 more | 2021-08-10 |
| 11003043 | Optical modulator | Yasuhiro Ohmori, Masaharu Doi, Shintaro Takeuchi, Takehito Tanaka, Yoshinobu Kubota +4 more | 2021-05-11 |
| 11003044 | Electro-optic device | Hiroki Hara, Takashi Kikukawa, Toshinori MATSUURA, Yasuhiro Ohmori, Masaharu Doi +2 more | 2021-05-11 |
| 10989980 | Optical modulator | Kenji Endou, Hiroki Hara, Toshinori MATSUURA, Takashi Kikukawa, Yasuhiro Ohmori +4 more | 2021-04-27 |
| 10955722 | Optical modulator | Kenji Sasaki | 2021-03-23 |
| 10649246 | Dielectric thin film-applied substrate and optical modulation element using the same | Kenji Sasaki | 2020-05-12 |
| 10591801 | Optical modulator | Kenji Sasaki | 2020-03-17 |
| 10585328 | Optical waveguide element and optical modulator using the same | Kenji Sasaki, Satoshi Shirai | 2020-03-10 |
| 10359684 | Optical waveguide element and optical modulator using the same | Kenji Sasaki, Satoshi Shirai | 2019-07-23 |
| 10203583 | Optical waveguide element and optical modulator using the same | Kenji Sasaki, Satoshi Shirai | 2019-02-12 |
| 9939709 | Optical waveguide element and optical modulator using the same | Kenji Sasaki, Satoshi Shirai | 2018-04-10 |
| 9244296 | Optical modulator | Kenji Sasaki, Masamichi Taniguchi | 2016-01-26 |
| 7444040 | Magneto-optical component | — | 2008-10-28 |
| 7072111 | Reflection-type optical device | — | 2006-07-04 |
| 7002732 | Magneto-optical devices | — | 2006-02-21 |
| 6833941 | Magneto-optic optical device | — | 2004-12-21 |
| 6747782 | Faraday rotator and optical attenuator | Masanori Goto, Seiichi Takayama | 2004-06-08 |
| 6621630 | Composite optical element, optical isolator, optical attenuator and processes for producing them | — | 2003-09-16 |
| 6359733 | Composite optical element, optical isolator, optical circulator, optical switch and processes for producing them | Kenjiro Hata | 2002-03-19 |