Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9210096 | Routing method and node equipment | Yoshinobu Shimokawa, Yoshiyuki Jufuku, Masatsugu Kawamoto | 2015-12-08 |
| 7593425 | Signal distribution method and a signal distribution apparatus | Yoshiyuki Karakawa, Masaki Bansho, Junichi Kawaguchi, Koji Hachiya, Satoru Saitoh | 2009-09-22 |
| 5596623 | Testing and complaint accepting communication unit | Makoto Uchiba | 1997-01-21 |