Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137546 | Optical element | Masatoshi Tokushima | 2021-10-05 |
| 10535786 | Photodetector having one-dimensional grating structure | Kenichiro Yashiki, Masatoshi Tokushima, Kazuhiko Kurata | 2020-01-14 |
| 10025031 | Grating structure, and manufacturing method of grating coupler provided therewith | Masatoshi Tokushima | 2018-07-17 |
| 9971099 | Grating coupler with high optical coupling efficiency for SMF | Masatoshi Tokushima | 2018-05-15 |
| 9274280 | Optical waveguide type optical terminator | Shigeru Nakamura, Shigeki Takahashi | 2016-03-01 |
| 9020312 | Connecting channel | Junichi Fujikata | 2015-04-28 |
| 9002144 | Electro-optical modulator | Junichi Fujikata, Akio Toda, Motofumi Saitoh | 2015-04-07 |
| 8936962 | Optical modulator and method for manufacturing same | Junichi Fujikata, Toshio Baba | 2015-01-20 |
| 8913860 | Optical waveguide structure and optical waveguide device | Shigeru Nakamura | 2014-12-16 |
| 8873895 | Optical modulator | Junichi Fujikata, Motofumi Saitoh, Akio Toda | 2014-10-28 |
| 8532440 | Silicon-based electro-optic device | Junichi Fujikata, Ming-Bin Yu, Liang Ding, Shiyang Zhu | 2013-09-10 |
| 8483520 | Optical modulation structure and optical modulator | Junichi Fujikata, Akio Toda, Motofumi Saitoh | 2013-07-09 |
| 8467637 | Waveguide path coupling-type photodiode | Junichi Fujikata, Daisuke Okamoto, Kenichi Nishi, Keishi Ohashi, Tai Tsuchizawa +1 more | 2013-06-18 |
| 8422837 | Semiconductor device | Kenichi Nishi, Junichi Fujikata, Daisuke Okamoto | 2013-04-16 |
| 8363989 | Semiconductor optical interconnection device and semiconductor optical interconnection method | Daisuke Okamoto, Kenichi Nishi, Junichi Fujikata | 2013-01-29 |
| 8269303 | SiGe photodiode | Junichi Fujikata, Toru Tatsumi, Akihito Tanabe, Daisuke Okamoto, Kenichi Nishi | 2012-09-18 |
| 8078021 | Waveguide connecting structure | — | 2011-12-13 |
| 7778509 | Method for incidence of light into a photonic crystal optical waveguide and structure thereof | Akiko Gomyo | 2010-08-17 |
| 7715665 | Photonic crystal optical circuit and method for controlling the same | Hirohito Yamada | 2010-05-11 |
| 7359606 | Photonic crystal optical circuit and method for controlling the same | Hirohito Yamada | 2008-04-15 |
| 7020373 | Antireflective coating structure for photonic crystal and method for forming antireflective coating structure | Masayuki Shirane | 2006-03-28 |