Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10129849 | Mobile communication method, mobile communication system, and mobile management node | Toshiyuki Tamura | 2018-11-13 |
| 10027821 | Billing system, billing apparatus, and billing method | Shin-ichi Isobe | 2018-07-17 |