Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11765497 | Earhole-wearable sound collection device, signal processing device, and sound collection method | Kohei Asada, Shinpei Tsuchiya, Daizen Kobayashi | 2023-09-19 |
| 11375307 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2022-06-28 |
| 11363366 | Headphone device | Kenichi Oide, Shinsuke Kanayama, Pingwee Chia, Chinngiap Heng | 2022-06-14 |
| 11146877 | Sound output device and sound guiding device | Go Igarashi, Satoshi Suzuki, Kohei Asada | 2021-10-12 |
| 11070910 | Processing device and a processing method for voice communication | Kohei Asada, Shinpei Tsuchiya, Daizen Kobayashi | 2021-07-20 |
| 11037544 | Sound output device, sound output method, and sound output system | Kohei Asada, Go Igarashi | 2021-06-15 |
| 10812926 | Sound output device, sound generation method, and program | Kohei Asada, Go Igarashi, Haruo Oba, Homare Kon | 2020-10-20 |
| 10735844 | Wearable device | Go Igarashi, Kohei Asada | 2020-08-04 |
| 10685641 | Sound output device, sound output method, and sound output system for sound reverberation | Kohei Asada, Go Igarashi | 2020-06-16 |
| 10659863 | Sound output device and sound guiding device | Go Igarashi, Satoshi Suzuki, Kohei Asada | 2020-05-19 |
| 10524036 | Wearable device | Go Igarashi, Kohei Asada | 2019-12-31 |
| 10237641 | Sound output device and sound guiding device | Go Igarashi, Satoshi Suzuki, Kohei Asada | 2019-03-19 |
| 10182281 | Sound output device and sound guiding device | Go Igarashi, Satoshi Suzuki, Kohei Asada | 2019-01-15 |
| 9961428 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2018-05-01 |
| 9949006 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2018-04-17 |
| 9949007 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2018-04-17 |
| 9930437 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2018-03-27 |
| 9918162 | Processing device and method for improving S/N ratio | Kohei Asada, Shinpei Tsuchiya, Daizen Kobayashi | 2018-03-13 |
| 9826300 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2017-11-21 |
| 9491536 | Headphone driver, loudspeaker, and method of manufacturing headphone driver or loudspeaker | Takeshi Hara | 2016-11-08 |
| 9491533 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2016-11-08 |
| 9361902 | Earhole-wearable sound collection device, signal processing device, and sound collection method | Kohei Asada, Shinpei Tsuchiya, Naotaka Tsunoda | 2016-06-07 |
| 9237392 | Earhole-wearable sound collection device, signal processing device, and sound collection method | Kohei Asada, Shinpei Tsuchiya, Daizen Kobayashi | 2016-01-12 |
| 9232294 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2016-01-05 |
| 9179212 | Earphone device | Tomohiro Matsuo, Takashi Ohta, Tomohiro Ito | 2015-11-03 |