Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525216 | Method of manufacturing cellulose nanofiber compact | — | 2022-12-13 |
| 11265633 | Speaker housing | — | 2022-03-01 |
| 11057713 | Vibratable element for loudspeaker use and loudspeaker device | — | 2021-07-06 |
| 7848536 | Voice coil assembly, loudspeaker using the same, and method for producing the same | Koichi Sadaie, Hiroyasu Kumo, Yoshihide Toyoshima, Yoshinori Ujimoto, Kouichi Abe | 2010-12-07 |
| 7676053 | Electrodynamic loudspeaker | — | 2010-03-09 |