Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862033 | Electroluminescent display apparatus having a multi-color illuminant layer and process for producing the same | Masahito Migita, Osam Kanehisa, Hajime Yamamoto | 1989-08-29 |