Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978135 | Location register, location registration system, and location registration method | — | 2005-12-20 |
| 6952581 | Location registration control method, mobile communication network, and communication terminal | Masami Yabusaki | 2005-10-04 |