Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11644347 | Manhole position specification method and manhole position specification system | Tatsuya Okamoto, Daisuke IIDA, Hiroyuki OSHIDA | 2023-05-09 |
| 11575981 | Simulation signal light generation device and simulation signal light generation method | Takui UEMATSU, Hidenobu HIROTA, Hiroyuki Iida | 2023-02-07 |