Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675638 | Communications device entry method and apparatus | Hajime Ogasawara | 1997-10-07 |
| 5646988 | Incoming call controller for preferentially connecting a waiting call based on number of previous unsuccessful call attempts | — | 1997-07-08 |