Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1033406 | Microphone | Yusuke Sano, Akifumi Yamaguchi, Katsuhisa Ida | 2024-07-02 |
| D981375 | Microphone | Yusuke Sano, Akifumi Yamaguchi, Katsuhisa Ida | 2023-03-21 |
| 10313774 | Earphone | — | 2019-06-04 |
| 9521492 | Condenser microphone | — | 2016-12-13 |
| 9497539 | Variable directional microphone | — | 2016-11-15 |
| 9445188 | Condenser microphone | — | 2016-09-13 |
| 9344810 | Condenser microphone | — | 2016-05-17 |
| 8983079 | Stereo microphone | Hiroshi Akino | 2015-03-17 |
| 8814118 | Holding device of cylindrical body and microphone holder | Hiroshi Akino | 2014-08-26 |
| 8783636 | Holding device of cylindrical body and microphone holder | — | 2014-07-22 |
| D707662 | Microphone holder | — | 2014-06-24 |
| D707661 | Microphone | Douglas J. Carpiaux, Jesse Cotterman | 2014-06-24 |
| 8467558 | Dynamic microphone | — | 2013-06-18 |
| 8243975 | Condenser microphone unit | Hiroshi Akino, Noriko Matsui, Satoshi Yoshino | 2012-08-14 |
| 8218806 | Unidirectional condenser microphone unit | Hiroshi Akino, Noriko Matsui, Satoshi Yoshino | 2012-07-10 |
| 8116498 | Condenser microphone | Hiroshi Akino | 2012-02-14 |
| 8103038 | Boundary microphone | Hiroshi Akino, Satoshi Yoshino | 2012-01-24 |
| 7483542 | Condenser microphone | Hiroshi Akino, Noriko Matsui | 2009-01-27 |
| 7295675 | Phantom powered capacitor microphone and a method of using a vacuum tube in the same | Hiroshi Akino, Tatsuo Kioke | 2007-11-13 |
| 7072479 | Capacitor microphone | — | 2006-07-04 |
| 6549632 | Microphone | Hiroshi Akino, Bob Green, Kazuhisa Kondo, Shigeru Uzawa | 2003-04-15 |
| 6130952 | Microphone | Hiroshi Akino, Bob Green, Kazuhisa Kondo, Shigeru Uzawa | 2000-10-10 |
| 6091828 | Dynamic microphone | Hiroshi Akino | 2000-07-18 |