Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298566 | Optical fiber connection structure | Osamu SHIMAKAWA, Masato Tanaka | 2025-05-13 |
| 11927805 | Optical fiber connection structure | Osamu SHIMAKAWA, Masato Tanaka | 2024-03-12 |
| 11402585 | Optical connection structure | Masato Tanaka, Osamu SHIMAKAWA, Takafumi Ohtsuka | 2022-08-02 |
| 11228155 | Optical fiber amplifier | Osamu SHIMAKAWA | 2022-01-18 |
| 11088504 | Optical fiber amplifier | Osamu SHIMAKAWA, Takafumi Ohtsuka | 2021-08-10 |
| 10754064 | Second-order nonlinear optical compound and nonlinear optical element comprising the same | Akira OTOMO, Isao Aoki, Hideki Miki, Shiyoshi Yokoyama | 2020-08-25 |
| 10627582 | Optical connection component and method of manufacturing optical connection component | Osamu SHIMAKAWA, Ryoichi Kobayashi | 2020-04-21 |
| 9977150 | Second-order nonlinear optical compound and nonlinear optical element comprising the same | Akira OTOMO, Isao Aoki, Hideki Miki, Shiyoshi Yokoyama | 2018-05-22 |
| 9885837 | Optical device | Kenichiro Takahashi | 2018-02-06 |
| 9596526 | Wavelength selective switch | Manabu Shiozaki, Kenichiro Takahashi | 2017-03-14 |
| 9488755 | Second-order nonlinear optical compound and nonlinear optical element comprising the same | Akira OTOMO, Isao Aoki, Hideki Miki, Shiyoshi Yokoyama | 2016-11-08 |
| 9482822 | Wavelength selector switch | Masaki Suzuki, Takafumi Ohtsuka, Takeshi Inoue | 2016-11-01 |
| 9467757 | Wavelength selective switch | Kenichiro Takahashi | 2016-10-11 |
| 9372311 | Wavelength selective switch | Kenichiro Takahashi, Manabu Shiozaki, Takafumi Ohtsuka, Masaki Suzuki | 2016-06-21 |
| 9274348 | Dispersive device having beam expanding optical system and dispersive element and wavelength selective switch having dispersive device | Manabu Shiozaki | 2016-03-01 |
| 9151902 | Wavelength selective switch | Takafumi Ohtsuka | 2015-10-06 |
| 9116414 | Wavelength selective switch | Manabu Shiozaki, Kenichiro Takahashi | 2015-08-25 |
| 8846955 | Second-order nonlinear optical compound and nonlinear optical element comprising the same | Akira OTOMO, Isao Aoki, Hideki Miki, Shiyoshi Yokoyama | 2014-09-30 |
| 6633123 | Organic electroluminescence device with an improved heat radiation structure | — | 2003-10-14 |