Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7828203 | Data writing apparatus, method, and program for portable terminal memory | — | 2010-11-09 |
| D511514 | Data input device | Yoshinao Segawa | 2005-11-15 |
| 6591107 | Method of assigning service channel | — | 2003-07-08 |
| 6487392 | Assign channel distributing system and distributing method therefor | — | 2002-11-26 |
| 6359869 | Mobile communication system capable of establishing frame syncronization among base stations | — | 2002-03-19 |
| 5944849 | Method and system capable of correcting an error without an increase of hardware | — | 1999-08-31 |
| 5930716 | Radio channel allocating system | — | 1999-07-27 |
| 5666380 | Digital communication system and method of compressing information | — | 1997-09-09 |
| 4937818 | Time division multiple access radio communication system | — | 1990-06-26 |
| 4875021 | Pseudo-noise sequence generator | — | 1989-10-17 |