Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9480041 | Location information registration method and mobile communication terminal | Itsuma Tanaka, Yuusuke Okazaki, Kazuo Sugiyama | 2016-10-25 |
| 8055260 | Mobile communication system, local subscriber information management device, and communication information management method | Hironari Kobayashi, Hiroshi Nakamura | 2011-11-08 |
| 7336955 | Interconnection agreement determining system, apparatus, and method | Tooru Hasegawa, Mayumi Takahashi, Takeshi Ujino | 2008-02-26 |