Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471491 | Service channel signal transmission system | Akira Abe, Hiromi Hashimoto, Toshiyuki Takenaka | 1984-09-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471491 | Service channel signal transmission system | Akira Abe, Hiromi Hashimoto, Toshiyuki Takenaka | 1984-09-11 |