Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663949 | Line protection switching system in duplexed fiber interface shelf | Ryoichi Ishibashi, Tomiko Ito, Hiroya Kawasaki | 1997-09-02 |
KM
Kouki Mie
Overall (1997): #116,887 of 185,788Top 65%
1
Patents 1997