Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7822004 | Data transmission line establishing system between mobile telephone terminals | Masanori Hashimoto, Yasuo Tezuka, Kayo Motohashi | 2010-10-26 |
| 7751376 | System for establishing data transmission path between mobile phone terminals | Masanori Hashimoto, Yasuo Tezuka, Kayo Motohashi | 2010-07-06 |