Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215217 | Composition for acoustic member and acoustic member | — | 2025-02-04 |
| 11906374 | Measurement method and measurement apparatus | — | 2024-02-20 |
| 11595752 | Electroacoustic transducer | Yu TSUCHIHASHI | 2023-02-28 |
| 11399230 | Electroacoustic transducer | Yu TSUCHIHASHI | 2022-07-26 |
| 11346709 | Sensor unit and musical instrument | Kunio Hiyama, Seiichiro Iida, Hiroshi Koike, Hidekazu Kodama | 2022-05-31 |
| 11284200 | Transducer | Yu TSUCHIHASHI | 2022-03-22 |
| 10670453 | Sensor unit and musical instrument | Kunio Hiyama, Seiichiro Iida, Hiroshi Koike, Hidekazu Kodama | 2020-06-02 |
| 10629170 | Board for musical instrument, and stringed instrument | Asumi Matsuda, Kazuyuki Kobayashi | 2020-04-21 |
| 9909234 | Cellulose fiber, composite material, and method of producing the cellulose fiber | Takayuki Nose | 2018-03-06 |
| 9373311 | Method of manufacturing electronic percussion pad | — | 2016-06-21 |
| 9142202 | Electronic percussion pad and method of manufacturing electronic percussion pad | — | 2015-09-22 |