Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884267 | TDM transmission system | Yukihiko Miyamoto, Hirokazu Kobayashi | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884267 | TDM transmission system | Yukihiko Miyamoto, Hirokazu Kobayashi | 1989-11-28 |