Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778654 | System for transfer control of telephone line | Sunao Takatori, Hisanori Kiyomatsu | 2004-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778654 | System for transfer control of telephone line | Sunao Takatori, Hisanori Kiyomatsu | 2004-08-17 |