Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7995710 | Telephone-receiving call center system | Kazuaki Sato, Takayasu Koike | 2011-08-09 |
| 7333601 | Telephone-receiving call center system | Kazuaki Sato, Takayasu Koike | 2008-02-19 |
| 6711254 | Telephone-receiving call center system | Kazuaki Sato, Takayasu Koike | 2004-03-23 |