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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 |