Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9986326 | Signal processing device and signal processing method | Yasunobu Murata, Kohei Asada | 2018-05-29 |
| 9578410 | Sound reproduction device | Osamu Nishida, Naotaka Tsunoda | 2017-02-21 |
| 9100747 | Signal processing device and signal processing method | Yasunobu Murata, Kohei Asada | 2015-08-04 |
| 9025799 | Sound reproducing device | Kazuhisa Kito, Kohei Asada, Naotaka Tsunoda | 2015-05-05 |
| 8976987 | Sound reproduction device | Osamu Nishida, Naotaka Tsunoda | 2015-03-10 |
| 8218782 | Headphone device, signal processing device, and signal processing method | Kohei Asada, Tetsunori Itabashi | 2012-07-10 |
| 8107637 | Signal processing device and signal processing method | Kohei Asada, Tetsunori Itabashi | 2012-01-31 |
| 5567825 | Method for the preparation of a triazole compound | Hideo Ohi | 1996-10-22 |
| 5319132 | Process for producing halomethyl ester of aliphatic carboxylic acid | Naoto Yazawa | 1994-06-07 |