Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824806 | Glass fibers having low dielectric constant | Koji Yokoi, Mitsugi Yoshiyagawa | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824806 | Glass fibers having low dielectric constant | Koji Yokoi, Mitsugi Yoshiyagawa | 1989-04-25 |