Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947081 | Dual insulation oxynitride blocking thin film electroluminescence display device | Tsunemi Ohiwa, Keiichiro Uenae, Souichi Ogawa, Katsumi Takiguchi | 1990-08-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947081 | Dual insulation oxynitride blocking thin film electroluminescence display device | Tsunemi Ohiwa, Keiichiro Uenae, Souichi Ogawa, Katsumi Takiguchi | 1990-08-07 |