Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12273691 | Noise reduction system and noise reduction method | Osamu Nishimura, Akihiko Enamito | 2025-04-08 |
| 12163926 | Sound inspection apparatus and sound inspection method | Akihiko Enamito, Osamu Nishimura | 2024-12-10 |
| 12133048 | Sound emitting apparatus | Toshiki Takayasu | 2024-10-29 |
| 12125493 | Online conversation management apparatus and storage medium storing online conversation management program | Akihiko Enamito, Osamu Nishimura, Takahiro Hiruma, Rika Hosaka | 2024-10-22 |
| 11959883 | Diagnostic apparatus and diagnostic method | Akihiko Enamito, Osamu Nishimura | 2024-04-16 |
| 11798525 | Sound emitting apparatus and blade noise reduction apparatus | — | 2023-10-24 |
| 11570545 | Acoustic inspection apparatus and acoustic inspection method | Akihiko Enamito, Osamu Nishimura | 2023-01-31 |
| 11532297 | Sound emitting apparatus and blade noise reduction apparatus | — | 2022-12-20 |
| 11415152 | System for reducing interference noise of rotor and stator blades, and flight vehicle | Akihiko Enamito | 2022-08-16 |
| 10909962 | Noise reduction device, flight vehicle, power generation device, and noise reduction method | Akihiko Enamito | 2021-02-02 |
| 10690155 | Actuator | — | 2020-06-23 |
| 10656662 | Variable pressure device and actuator | Junichiro Ooga | 2020-05-19 |
| 10559292 | Rotor blade noise reduction system, flying object and noise reduction system | Akihiko Enamito | 2020-02-11 |
| 10510332 | Noise reduction apparatus and jet fan | Akihiko Enamito | 2019-12-17 |
| 10438579 | Device for reducing noise, flight vehicle, and program | Akihiko Enamito | 2019-10-08 |
| 10408129 | Rotor-stator blade interference noise reduction system and flying object | Akihiko Enamito | 2019-09-10 |
| 10403261 | Noise reduction apparatus | Akihiko Enamito | 2019-09-03 |
| 10225644 | Speaker system | Akihiko Enamito, Osamu Nishimura | 2019-03-05 |
| 9747885 | Noise reduction system | Osamu Nishimura, Akihiko Enamito | 2017-08-29 |
| 9602928 | Speaker system having a sound collection unit for combining sound waves | Akihiko Enamito, Osamu Nishimura | 2017-03-21 |
| 9578414 | Active noise-reduction apparatus | Osamu Nishimura, Akihiko Enamito | 2017-02-21 |
| 9318093 | Active noise-reduction apparatus and method | — | 2016-04-19 |