Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248181 | Optical module | Yuriko Kawamura, Takashi Yamada, Yusuke Nasu | 2025-03-11 |
| 12222567 | Optical circuit module | Yusuke Nasu, Takashi Yamada | 2025-02-11 |
| 12124086 | Optical fiber connection structure | Yusuke Nasu, Takashi Yamada | 2024-10-22 |
| 12107626 | Wavelength monitoring device and controlling method thereof | Osamu Moriwaki, Takashi Saida, Kenya Suzuki, Takashi Go, Manabu Oguma | 2024-10-01 |
| 12099266 | Optical circuit with common ground configuration for resistors and thermo-optic phase shifters | Kiyofumi Kikuchi, Ken Tsuzuki, Yusuke Nasu, Kotaro Takeda, Yuriko Kawamura | 2024-09-24 |
| 12038614 | Optical fiber array and connecting method thereof | Takashi Yamada | 2024-07-16 |
| 11982839 | Optical 90 degree hybrid circuit | Makoto Jizodo, Manabu Oguma, Yusuke Nasu | 2024-05-14 |
| 11982837 | Interposer circuit | Yusuke Nasu, Manabu Oguma, Takashi Yamada | 2024-05-14 |
| 11973535 | Wavelength monitoring circuit | Osamu Moriwaki, Manabu Oguma, Kenya Suzuki, Takashi Go | 2024-04-30 |
| 11835761 | Planar optical waveguide circuit | Osamu Moriwaki, Kenya Suzuki, Takashi Go, Manabu Oguma | 2023-12-05 |
| 11525971 | Insertion/removal error prevention system | Takeshi Seki, Takafumi FUKATANI | 2022-12-13 |
| 11509396 | Polarization multi/demultiplexed optical transceiver circuit | Yusuke Nasu, Shogo Yamanaka | 2022-11-22 |
| 10254625 | Optical signal processing device | Kenya Suzuki, Kei Kuwabara, Yuichi Higuchi, Mitsumasa Nakajima, Osamu Moriwaki +3 more | 2019-04-09 |
| 9967050 | Optical signal processing device | Kazunori Seno, Kenya Suzuki, Yuzo Ishii, Koichi Hadama | 2018-05-08 |