Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10691122 | In-vehicle system | Hidetoshi Kadoya, Taro Iwamoto | 2020-06-23 |
| D883941 | Electronic crossover housing | Masatada Muramoto | 2020-05-12 |
| D698671 | Vehicle navigation unit with video disc player | Taro Iwamoto | 2014-02-04 |
| D295740 | Speaker | — | 1988-05-17 |
| D284369 | Automobile combined stereo receiver and cassette tape player | Hitoshi Nakamura, Takekazu Iijima, You Takagi | 1986-06-24 |