Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577135 | IP telephone system | Hiroyuki Sato, Shinji Saitou, Tadashi Saitou, Takahiro Sasaki, Fumio Urayama +5 more | 2009-08-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577135 | IP telephone system | Hiroyuki Sato, Shinji Saitou, Tadashi Saitou, Takahiro Sasaki, Fumio Urayama +5 more | 2009-08-18 |