Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7151750 | ISDN alarm notification system | — | 2006-12-19 |
| 7065297 | Optical transmission system | Taro Asao, Kazuo Tanaka, Nobuyuki Nemoto, Hiroyuki Matsumoto, Miwa Taniguchi +2 more | 2006-06-20 |
| 7002734 | Pre-amplifier gain setting method utilizing ASE light and WDM optical transmission apparatus employing the method | Taro Asao, Nobuyuki Nemoto, Kazuo Tanaka | 2006-02-21 |
| 6977771 | Optical amplifier supervisory control method in WDM communication system | Taro Asao, Nobuyuki Nemoto, Kazuo Tanaka | 2005-12-20 |
| 6879595 | Apparatus for transmission between subscriber terminals and any types of switches | — | 2005-04-12 |