Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879139 | Method of making a thin film electroluminescence element | Kinya Atsumi, Masumi Arai, Tadashi Hattori | 1989-11-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879139 | Method of making a thin film electroluminescence element | Kinya Atsumi, Masumi Arai, Tadashi Hattori | 1989-11-07 |