Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7206402 | Method of and system for call service system, and computer product | Hiroko Shimizu, Hideshi Hamamatsu | 2007-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7206402 | Method of and system for call service system, and computer product | Hiroko Shimizu, Hideshi Hamamatsu | 2007-04-17 |