Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12148196 | Support information generating device, support information generating system, support information generating method, and computer readable recording medium | Katsuki Suematsu, Junya Hirano, Yusuke Hirakawa, Takuya Kido, Takashi Watanabe +1 more | 2024-11-19 |
| 11554257 | Medical device, extracorporeal unit, power transmission sheet, and medical instrument | Katsuki Suematsu, Takeshi Yagi, Atsushi HIMURA | 2023-01-17 |
| 11125942 | Optical waveguide element | Yasuyoshi Uchida, Yuuki Taniguchi, Hiroshi Kawashima, Masanori Takahashi | 2021-09-21 |
| 10386576 | Optical waveguide circuit having identical polarization-cancelling S-shaped curves | Takashi Inoue, Noritaka Matsubara, Hiroshi Kawashima | 2019-08-20 |
| 10371890 | Optical waveguide element | Yasuyoshi Uchida, Yuuki Taniguchi, Hiroshi Kawashima, Masanori Takahashi | 2019-08-06 |
| 9638865 | Switch device | Junichi Hasegawa | 2017-05-02 |
| 9488783 | Switch apparatus | Junichi Hasegawa, Noritaka Matsubara | 2016-11-08 |
| 9417388 | Spot-size conversion optical waveguide | Shintaro Yamasaki, Masanori Takahashi, Yasuyoshi Uchida | 2016-08-16 |
| 9354395 | Optical waveguide element and method of producing the same | Yasuyoshi Uchida, Yuuki Taniguchi, Hiroshi Kawashima, Masanori Takahashi | 2016-05-31 |
| 9054486 | Optical amplifier device | Hideaki Hasegawa, Masaki Funabashi, Kazuaki Kiyota, Takeshi Akutsu, Noriyuki Yokouchi | 2015-06-09 |
| 8837869 | SOA-PLC hybrid integrated polarization diversity circuit and method for manufacturing the same | Takeshi Akutsu, Masaki Funabashi, Noriyuki Yokouchi, Hideaki Hasegawa | 2014-09-16 |
| 8718423 | Optical branching element and optical branching circuit | Noritaka Matsubara | 2014-05-06 |
| 8538213 | SSC chip, fiber array attached with SSC, PLC module attached with SSC and method for manufacturing SSC | Yasuyoshi Uchida | 2013-09-17 |
| 8526102 | PLC-type demodulator and optical transmission system | Takashi Inoue | 2013-09-03 |
| 8503843 | Hybrid integrated optical module | Takeshi Akutsu, Junichi Hasegawa | 2013-08-06 |
| 8477409 | PLC-type delay demodulation circuit and PLC-type optical interferometer | Hiroshi Kawashima, Kohei Shibata | 2013-07-02 |
| 8457459 | Arrayed-waveguide-grating-type optical multiplexer/demultiplexer | Junichi Hasegawa | 2013-06-04 |
| 8441717 | PLC-type delay demodulation circuit | Hiroshi Kawashima | 2013-05-14 |
| 8422118 | PLC-type delay demodulation circuit | Hiroshi Kawashima | 2013-04-16 |
| 8401351 | 90-degree hybrid | Takashi Inoue | 2013-03-19 |
| 8380023 | Waveguide-type optical circuit | Noritaka Matsubara | 2013-02-19 |
| 8068736 | Tunable dispersion compensator | Hiroshi Kawashima | 2011-11-29 |
| 8036505 | Athermal AWG module | Junichi Hasegawa | 2011-10-11 |
| 8023781 | Broadband wavelength multiplexing and demultiplexing filter and optical splitter with optical signal multiplexing and demultiplexing function | Haruki Urabe, Tsunetoshi Saitoh, Masahito Morimoto | 2011-09-20 |
| 7978401 | Delay demodulation devices | Junichi Hasegawa | 2011-07-12 |