Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000335 | Media gateway and control method thereof | Shingo Shiga, Toshiyuki Tamura | 2011-08-16 |
| 7623666 | Automatic setting of security in communication network system | Shinichiro Motoyoshi, Hiroshi Kitamura, Masataka Nagura | 2009-11-24 |
| 6674753 | SWITCHING APPARATUS OF TIME DIVISION MULTIPLEXING SYSTEM FOR CONTROLLING DATA TRANSMISSION THROUGH MESSAGE MEMORY SHARED BETWEEN PLURAL CHANNELS, METHOD FOR DATA TRANSMISSION AND INFORMATION STORAGE MEDIUM FOR THE METHOD | Hideyuki Hirata | 2004-01-06 |
| 6590908 | External signal synchronized message signaling apparatus for time division channel system | Hideyuki Hirata | 2003-07-08 |