Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9692910 | Telephone switching system, telephone switching method, telephone switching program, telephone switchboard, and management terminal | — | 2017-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9692910 | Telephone switching system, telephone switching method, telephone switching program, telephone switchboard, and management terminal | — | 2017-06-27 |