Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847611 | Ring configuration of line concentrators | Hiroyuki Wada, Mitsuhiro Yamaga, Susumu Nakayashiki | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847611 | Ring configuration of line concentrators | Hiroyuki Wada, Mitsuhiro Yamaga, Susumu Nakayashiki | 1989-07-11 |