Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11057768 | Radio base station, mobile communication system, handover control method, and program | — | 2021-07-06 |
| 10231155 | Radio base station, mobile communication system, handover control method, and program | — | 2019-03-12 |
| 9877246 | Radio base station and control method therefor | — | 2018-01-23 |
| 8588180 | Mobile communication system, mobile station, base station, and handover controlling method | — | 2013-11-19 |
| 7940701 | Network selection | — | 2011-05-10 |
| 7564952 | Radio access network system and a method of fault analysis for the system thereof | — | 2009-07-21 |
| 7440776 | Radio access network and operation control method for the same | — | 2008-10-21 |
| 6970710 | Radio data communication apparatus and radio data communication method | — | 2005-11-29 |
| 6909897 | Information delivery system | — | 2005-06-21 |
| 6831908 | Data communication system and method | — | 2004-12-14 |
| 6628973 | Radio data communication apparatus and method of radio data communication | — | 2003-09-30 |
| 6446132 | Radio data communication system and method for carrying out data communication through a radio channel | — | 2002-09-03 |
| 6173184 | Network system for mobile radio communication with line switching | Hidehiro Matsumoto | 2001-01-09 |
| 6038515 | Portable information terminal apparatus capable of correctly detecting power supply voltage | Hidehiro Matumoto | 2000-03-14 |
| 5911030 | Video and audio editing system | Takashi Sameshima | 1999-06-08 |
| 5815160 | Presentation system for correcting positional and size information of images to compensate for resolution of display apparatus | Hiroaki Ueda | 1998-09-29 |