Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11277684 | Diffuser | Norimasa Kitagawa, Mitsuhiko Tokuda, Yoshinori Nakanishi, Ryuta Shigematsu, Yoshitada TAKESHIMA | 2022-03-15 |
| 8036409 | Speaker cabinet and speaker using the same | Sadatoshi Hisamoto, Yushi Ono, Kosuke Heki, Hiroyuki Mizutani | 2011-10-11 |
| 7864977 | Voice coil assembly and loudspeaker using the same | Yoshihide Toyoshima, Hiroyasu Kumo | 2011-01-04 |
| 7848536 | Voice coil assembly, loudspeaker using the same, and method for producing the same | Hiroyasu Kumo, Yoshihide Toyoshima, Satofumi Nagaoka, Yoshinori Ujimoto, Kouichi Abe | 2010-12-07 |
| 7021419 | Speaker system | Kenichiro Toyofuku | 2006-04-04 |
| 6798891 | Speaker system | Kenichiro Toyofuku | 2004-09-28 |
| 6504934 | Apparatus and method for localizing sound image | Joji Kasai, Kenichiro Toyofuku, Kazumasa Takemura, Tetsuro Nakatake | 2003-01-07 |
| 6067360 | Apparatus for localizing a sound image and a method for localizing the same | Joji Kasai, Kazumasa Takemura, Tetsuro Nakatake, Kenichiro Toyofuku | 2000-05-23 |
| 5033092 | Stereophonic reproduction system | — | 1991-07-16 |