Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362530 | Optical amplifier and optical communication system | — | 2025-07-15 |
| 12345597 | Mode-dependent loss measurement device and mode-dependent loss measurement method | — | 2025-07-01 |
| 11927802 | Optical module and method for manufacturing optical module | Eiichiro Yamada | 2024-03-12 |
| 11800802 | Radiation device and emission cooling device | Takeshi Inoue, Hiroo Kanamori, Junichi Takahara, Kazunari Kimino | 2023-10-24 |
| 11402585 | Optical connection structure | Masato Tanaka, Hidehisa Tazawa, Osamu SHIMAKAWA | 2022-08-02 |
| 11088504 | Optical fiber amplifier | Osamu SHIMAKAWA, Hidehisa Tazawa | 2021-08-10 |
| 10429235 | Optical fiber sensor system for strain detection | — | 2019-10-01 |
| 10184788 | Optical fiber sensor system having a polarization separator | — | 2019-01-22 |
| 9651436 | Interferometric optical fiber sensor system and interferometric optical fiber sensor head | — | 2017-05-16 |
| 9606296 | Optical path control device | — | 2017-03-28 |
| 9482822 | Wavelength selector switch | Masaki Suzuki, Hidehisa Tazawa, Takeshi Inoue | 2016-11-01 |
| 9372311 | Wavelength selective switch | Hidehisa Tazawa, Kenichiro Takahashi, Manabu Shiozaki, Masaki Suzuki | 2016-06-21 |
| 9326050 | Wavelength selective switch and method of manufacturing same | Masaki Suzuki, Takeshi Inoue | 2016-04-26 |
| 9277301 | Optical unit and optical device | — | 2016-03-01 |
| 9151902 | Wavelength selective switch | Hidehisa Tazawa | 2015-10-06 |