Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8649397 | DSL terminal-exchange device connecting system and method | Hiroyuki Kunimaru | 2014-02-11 |
| 7881312 | DSL terminal-exchange device connecting system and method | Hiroyuki Kunimaru | 2011-02-01 |
| 7085278 | DSL terminal-exchange device connecting system and method | Hiroyuki Kunimaru | 2006-08-01 |
| 6519320 | State monitoring method and apparatus in subscriber line test | — | 2003-02-11 |