Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454729 | Driving evaluation apparatus | Yuki Hagiwara, Takahiro Oyama, Akihiro Hirashima, Tomoyuki Nitta | 2022-09-27 |
| 11238741 | Driving evaluation apparatus | Yuki Hagiwara, Akihiro Hirashima, Tomoyuki Nitta | 2022-02-01 |
| 4891708 | Voltage superposing circuit for an electronic tuner | — | 1990-01-02 |