Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12327976 | External resonance-type laser module | Atsushi Sugiyama, Naota Akikusa | 2025-06-10 |
| 12300968 | External resonant laser module | Atsushi Sugiyama, Takahide Ochiai, Naota Akikusa | 2025-05-13 |
| 12278463 | External resonant laser module | Atsushi Sugiyama, Takahide Ochiai, Naota Akikusa | 2025-04-15 |
| 12119612 | Light emitting element, method for manufacturing light emitting element, and method for designing phase modulation layer | Akio Ito, Yoshitaka Kurosaka, Masahiro HITAKA, Kazuyoshi Hirose | 2024-10-15 |
| 12119613 | Sintered body, sputtering target, film, quantum cascade laser, and method of film formation | Atsushi Sugiyama, Akio Ito | 2024-10-15 |
| 12078813 | Light source module | Takahide Ochiai, Naota Akikusa, Tatsuo DOUGAKIUCHI | 2024-09-03 |
| D960007 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2022-08-09 |
| D960008 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2022-08-09 |
| D960006 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2022-08-09 |
| D960009 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2022-08-09 |
| 11075315 | Optical semiconductor element and method of manufacturing optical semiconductor element | Masahiro HITAKA, Akio Ito, Tatsuo DOUGAKIUCHI, Kazuue Fujita | 2021-07-27 |
| 11067728 | Movable diffraction grating, external-resonator laser module, and manufacturing method for movable diffraction grating | Atsushi Sugiyama, Tatsuo DOUGAKIUCHI | 2021-07-20 |
| D899284 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2020-10-20 |
| D899279 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2020-10-20 |
| D892656 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2020-08-11 |
| D892657 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Masahiro HITAKA | 2020-08-11 |
| 10673002 | Organic photoelectric conversion element and method for producing same | Shigeo Hara, Wataru AKAHORI, Takahiko Yamanaka | 2020-06-02 |
| 10591413 | Fluid analyzer | Tatsuo DOUGAKIUCHI, Akio Ito, Kazuue Fujita | 2020-03-17 |
| 10574030 | External resonance type laser module, analysis apparatus, method of driving external resonance type laser module, and non-transitory computer readable medium | Atsushi Sugiyama, Tatsuo DOUGAKIUCHI | 2020-02-25 |
| 10439363 | Method of manufacturing quantum cascade laser beam source | Akio Ito, Kazuue Fujita, Daisuke Kawaguchi, Tatsuo DOUGAKIUCHI | 2019-10-08 |
| 10404037 | Semiconductor laser device | Akira Higuchi, Yoshitaka Kurosaka, Masahiro HITAKA | 2019-09-03 |
| 10361538 | Movable diffraction grating, method of manufacturing the same, and external resonator type laser module | Atsushi Sugiyama | 2019-07-23 |
| 10333279 | Quantum cascade laser device | Takahide Ochiai, Naota Akikusa | 2019-06-25 |
| 10236661 | Wavelength variable light source | Atsushi Sugiyama, Naota Akikusa | 2019-03-19 |
| 10166086 | Dental therapy apparatus | Kunio Awazu, Katsunori Ishii, Naota Akikusa, Hirofumi Kan | 2019-01-01 |