Issued Patents All Time
Showing 1–25 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12126386 | Optical transmitter that transmits multi-level optical signal | Tomoyuki Akiyama | 2024-10-22 |
| 12058882 | Light emitting apparatus | Koji Fujita, Yuji Saito, Shinji Nakajima | 2024-08-06 |
| 12056603 | Optical communication element and optical neural network | Tomoyuki Akiyama, Yasuhiro Nakasha, Takeshi Hoshida | 2024-08-06 |
| 11950333 | Light-emitting module | Satoshi Kashiwagura | 2024-04-02 |
| 11914246 | Display device | Noriaki WAKI, Katsuhiro Kanauchi, Hiroki Tan | 2024-02-27 |
| 11868026 | Optical AD converter and optical receiver | Tomoyuki Akiyama, Takeshi Hoshida, Jun Matsui | 2024-01-09 |
| 11864409 | Light-emitting device | Hirotsugi HATAKEYAMA, Shinji Nakajima | 2024-01-02 |
| 11791906 | Optical demultiplexing device and transmission device | Tomoyuki Akiyama, Takeshi Hoshida | 2023-10-17 |
| 11736201 | Optical transmitter for transmitting multilevel optical signals | Tomoyuki Akiyama, Yohei Sobu | 2023-08-22 |
| 11664644 | Wavelength tunable light source, optical transmission apparatus using the same, and method of controlling wavelength tunable light source | — | 2023-05-30 |
| 11596034 | Light-emitting module | Satoshi Kashiwagura | 2023-02-28 |
| 11474409 | Optical modulator and optical modulation method | Yohei Sobu | 2022-10-18 |
| 11139895 | Transmission device, optical transceiver module, and optical modulation method | Yohei Sobu | 2021-10-05 |
| 11075355 | Light-emitting device | Hirotsugi HATAKEYAMA, Shinji Nakajima | 2021-07-27 |
| 10830950 | Optical transmitter-receiver | Tatsuya Usuki | 2020-11-10 |
| 10790469 | Light-emitting device with a sealing film | Shuichi Seki | 2020-09-29 |
| 10707030 | Switch | Sei Hikawa, Isao Inagaki | 2020-07-07 |
| 10700306 | Light emitting apparatus | Koji Fujita, Yuji Saito, Shinji Nakajima | 2020-06-30 |
| 10297788 | Light emitting apparatus | Koji Fujita, Yuji Saito, Shinji Nakajima | 2019-05-21 |
| 10243166 | Light-emitting device with stacked layers | Shuichi Seki | 2019-03-26 |
| 10243165 | Light-emitting device | Hirotsugi HATAKEYAMA, Shinji Nakajima | 2019-03-26 |
| 10164713 | Optical transmitter, optical modulator module, and optical transmission system | Tatsuya Usuki, Toshihiko Mori | 2018-12-25 |
| PP29375 | Hydrangea plant named ‘Kazan’ | — | 2018-06-12 |
| PP29353 | Hydrangea plant named ‘Kaho’ | — | 2018-06-05 |
| 9978986 | Light emitting apparatus | Koji Fujita, Yuji Saito, Shinji Nakajima | 2018-05-22 |