Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411011 | Ship navigation assistance device, ship navigation assistance method, and ship navigation assistance program | Tatsuya SONOBE, Hiroyuki Toda, Hiraku Nakamura | 2025-09-09 |
| 9767534 | Device, program and method for displaying situation | Osamu Dohi | 2017-09-19 |