Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11763570 | Obstacle detection device, obstacle detection method, and storage medium storing obstacle detection program | Tomoki Nakagawa, Tatsuya Matsui | 2023-09-19 |
| 7577135 | IP telephone system | Hiroyuki Sato, Shinji Saitou, Tadashi Saitou, Takahiro Sasaki, Fumio Urayama +5 more | 2009-08-18 |