Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11805353 | Headphone | Atsushi Yamamoto | 2023-10-31 |
| 11765497 | Earhole-wearable sound collection device, signal processing device, and sound collection method | Kohei Asada, Shinpei Tsuchiya, Koji Nageno | 2023-09-19 |
| D971176 | Acoustic transducer | Ryutaro Nakagawa, Daigaku Kumano, Ippei Yamakoshi | 2022-11-29 |
| 11503403 | Sound output device | Eiji Kuwahara, Takahiro Suzuki, Mizuki Shimamura | 2022-11-15 |
| 11070910 | Processing device and a processing method for voice communication | Kohei Asada, Shinpei Tsuchiya, Koji Nageno | 2021-07-20 |
| 9918162 | Processing device and method for improving S/N ratio | Kohei Asada, Shinpei Tsuchiya, Koji Nageno | 2018-03-13 |
| 9237392 | Earhole-wearable sound collection device, signal processing device, and sound collection method | Kohei Asada, Shinpei Tsuchiya, Koji Nageno | 2016-01-12 |