Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12389145 | Loudspeaker system and seat | Masahide Onishi, Yoshitaka KAWASHIMA | 2025-08-12 |
| 12269495 | Vehicle approach notification system and vehicle approach notification method | Mitsuhiro Tani, Shinnosuke Nagasawa | 2025-04-08 |
| 12160716 | Loudspeaker system, mobile body seat, and mobile body | Masahide Onishi | 2024-12-03 |
| 11760259 | Vehicle approach notifying device and vehicle approach notifying method | Toshiya Nakagaki | 2023-09-19 |
| 11750975 | Signal processing device, signal processing method, and recording medium | Masahide Onishi | 2023-09-05 |
| 11361748 | Speaker system and noise controlling device | Shigeru Nishida | 2022-06-14 |
| 11051099 | Sound reproduction device and sound reproduction system | Takao Saito, Sumio Tate, Makoto TAKASHIRO, Yasunobu Tsukio | 2021-06-29 |
| 10994653 | Vehicle proximity notification device, vehicle and vehicle proximity notification method | Ichiro Ohno, Shinnosuke Nagasawa | 2021-05-04 |
| 10993028 | Sound processing device, vehicle and sound processing method | Ichiro Ohno, Shinnosuke Nagasawa | 2021-04-27 |
| 10913390 | Vehicle proximity notification device and vehicle proximity notification method | Ichiro Ohno, Sinnosuke Nagasawa | 2021-02-09 |
| 10391935 | Vehicle approach notification device | Shinnosuke Nagasawa, Ichiro Ohno, Koichi Sakamoto | 2019-08-27 |
| D841628 | Microphone with connector | Koichi Sakamoto, Misao Kanba, Satoshi Kosugi, Masaharu Takahashi, Sinnosuke Nagasawa | 2019-02-26 |
| 9914391 | Vehicle proximity notification apparatus | Shinnosuke Nagasawa | 2018-03-13 |
| 9860638 | Acoustic device, acoustic system, moving body device, and malfunction diagnosis method for acoustic system | Ichiro Ohno, Shinnosuke Nagasawa, Shigeharu Sumi | 2018-01-02 |
| 9743186 | Sound reproduction device | Katsu Takeda, Susumu Fukushima, Rihito Shoji | 2017-08-22 |
| 9565496 | Sound reproduction device | Katsu Takeda | 2017-02-07 |
| 9398127 | Portable terminal and skin property measuring instrument | Koichi Ikemoto, Hirokazu Kitamura, Yasuhiro Hibino, Takahiro Miyatake, Yoshiyuki Kajimoto +1 more | 2016-07-19 |
| 9253578 | Directional loudspeaker | Katsu Takeda | 2016-02-02 |
| 9100755 | Sound reproducing apparatus for sound reproduction using an ultrasonic transducer via mode-coupled vibration | Katsu Takeda, Masaki Tada, Masashi Minakuchi | 2015-08-04 |
| 9036856 | Sound reproduction device | Katsu Takeda, Kazuhisa Kotegawa | 2015-05-19 |
| 8861774 | Sound reproduction device | Katsu Takeda, Rihito Shoji, Susumu Fukushima | 2014-10-14 |
| 8855333 | Ultrasonic speaker system | Kazuhisa Kotegawa, Katsu Takeda | 2014-10-07 |
| 8750543 | Sound reproduction device | Katsu Takeda, Susumu Fukushima, Rihito Shoji | 2014-06-10 |
| 8666106 | Sound reproducing device | Katsu Takeda | 2014-03-04 |
| 8155328 | Sound reproducing apparatus | Kazuhisa Kotegawa, Shinnosuke Nagasawa, Masahide Onishi | 2012-04-10 |