Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333040 | Gas discharge display device | Yukio Okamoto, Tadao Okabe, Atsushi Sumioka | 1982-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333040 | Gas discharge display device | Yukio Okamoto, Tadao Okabe, Atsushi Sumioka | 1982-06-01 |