Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12052549 | Speaker | Ryosuke Tachi, Masashi Kaneko, Tadashi George Sakashita | 2024-07-30 |
| 10419837 | Loudspeaker system for a vehicle and vehicle structure comprising such a loudspeaker system | Esser Timo | 2019-09-17 |
| 9963083 | Vehicle loudspeaker system | Ryo Ito, Keita Tanno | 2018-05-08 |
| 9479873 | Speaker apparatus | Masaru Yamagami, Kei Tanabe | 2016-10-25 |
| 9386376 | Speaker assembly for a high-temperature environment | Ryo Ito | 2016-07-05 |
| 9025790 | Structure for installing loudspeaker system in vehicle | — | 2015-05-05 |
| 8837762 | Speaker | — | 2014-09-16 |
| 8776944 | On-vehicle acoustic device and method of assembling the same | Ryo Ito, Masami Imai, Takashi Kanari, Masami Anzai | 2014-07-15 |
| 8708092 | Speaker device | Ryo Ito, Akio Suzuki | 2014-04-29 |