Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12244121 | Quantum cascade laser | Kazuue Fujita | 2025-03-04 |
| 12119612 | Light emitting element, method for manufacturing light emitting element, and method for designing phase modulation layer | Akio Ito, Yoshitaka Kurosaka, Kazuyoshi Hirose, Tadataka Edamura | 2024-10-15 |
| 12046875 | Quantum cascade laser device | Kazuue Fujita, Atsushi Sugiyama, Kousuke Shibata | 2024-07-23 |
| D960007 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2022-08-09 |
| D960008 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2022-08-09 |
| D960009 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2022-08-09 |
| D960006 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2022-08-09 |
| 11075315 | Optical semiconductor element and method of manufacturing optical semiconductor element | Akio Ito, Tatsuo DOUGAKIUCHI, Kazuue Fujita, Tadataka Edamura | 2021-07-27 |
| D899279 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2020-10-20 |
| D899284 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2020-10-20 |
| D892656 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2020-08-11 |
| D892657 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Tadataka Edamura | 2020-08-11 |
| 10404037 | Semiconductor laser device | Akira Higuchi, Yoshitaka Kurosaka, Tadataka Edamura | 2019-09-03 |
| 9859683 | Distributed feedback semiconductor laser element | Yutaka Takagi, Takahiro Sugiyama | 2018-01-02 |