Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396484 | Diversity communication method of time-division, time-compressed multiplexing telephone signal for mobile communication system | — | 1995-03-07 |
| 5280521 | Portable telephone system | — | 1994-01-18 |
| 5249174 | Time-division communication method for mobile bodies and system using said method | — | 1993-09-28 |
| 5210786 | Portable telephone system using stratified exchange system | — | 1993-05-11 |
| 5159596 | Mobile communication system | — | 1992-10-27 |