Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9590727 | Wireless communication system and transmitter | — | 2017-03-07 |
| 6941155 | Portable telephone apparatus and changing method of answering method of the same | Toshiyuki Sugitani | 2005-09-06 |