Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9819578 | Communication device and method in a communication system, and device and method for communication path control | — | 2017-11-14 |
| 9794785 | Communication system, connection control apparatus, mobile terminal, base station control method, service request method, and program | — | 2017-10-17 |
| 9717034 | Communication system and communication control method | Yoshiyuki Yamada, Makoto Fujinami, Yasuhiro Mizukoshi | 2017-07-25 |
| 9705685 | Charging control method and system in communication network | Yoshiyuki Yamada, Makoto Fujinami, Yasuhiro Mizukoshi | 2017-07-11 |