Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8406222 | Control system of communication network | Keiichi Hibi | 2013-03-26 |
| 8023499 | Communication network control system, communication terminal, and communication network control method | Keiichi Hibi, Shohei Yamada | 2011-09-20 |