Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12389164 | Loudspeaker | Kazuma Fujioka, Kengo Takeda | 2025-08-12 |
| 11582557 | Speaker diaphragm, speaker, speaker diaphragm manufacturing method, electronic device, and mobile body apparatus | Tetsuya KOYANAGI, Kazuaki Nishimura, Makoto Kurozawa, Ryouichi Uemoto, Hiroki Sano | 2023-02-14 |
| 10708693 | Oscillatory component for loudspeakers, loudspeaker comprising same, and mobile device equipped with said loudspeaker | Tomonori Shibuya, Yoshiyuki Takahashi, Nobuo Nakamura, Takayuki Dan | 2020-07-07 |
| 10645509 | Loudspeaker diaphragm, method of manufacturing same, and loudspeaker employing same | Tomonori Shibuya, Mitsukazu Kuze, Yoshiyuki Takahashi, Ryo Kuribayashi, Hiroyuki Amada | 2020-05-05 |
| 10484794 | Loudspeaker diaphragm, loudspeaker, and production method for loudspeaker diaphragm | Seiji Takagi, Kenji Endou, Kazuaki Nishimura, Makoto Kurozawa | 2019-11-19 |
| 10477290 | Loudspeaker device and movable-body device equipped with the same | Ryo Kuribayashi, Takayumi Daikoku, Hirofumi Higashi, Hiroyuki Morimoto, Yohei Jin | 2019-11-12 |
| 9781515 | Loudspeaker diaphragm, and loudspeaker, electronic device and mobile device including the diaphragm | Tomonori Shibuya, Yoshiyuki Takahashi, Yoshimichi Kajihara, Mitsukazu Kuze, Takayuki Dan | 2017-10-03 |
| 9277304 | Magnetic circuit for loudspeaker, and loudspeaker using same | Mitsukazu Kuze, Satoshi Koura, Shinya Mizone, Goro Tsuchiya | 2016-03-01 |
| 9049521 | Loudspeaker magnetic circuit and loudspeaker using same | Masaki Suzumura | 2015-06-02 |
| 8744116 | Magnetic circuit for speaker and speaker using same | Masaki Suzumura | 2014-06-03 |