Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7912479 | Radio-channel connection controller and mobile communication network system | Saburo Tanaka, Hideki Hieida | 2011-03-22 |
| 6564052 | Wireless local loop system and method for wireless link control | Naohito Takahashi | 2003-05-13 |
| 4870638 | Remote maintenance system for a digital communication network | Kunio Yamamoto | 1989-09-26 |
| 4603415 | System for linking channel group in digital communication network | Hiroshi Nakada | 1986-07-29 |
| 4466095 | Speech path control system | Shun Naito, Yuji Shibata | 1984-08-14 |