Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880661 | Method of manufacturing a thin-film electroluminescent display element | Yoshihiro Endo, Masashi Kawaguchi, Hisashi Uede | 1989-11-14 |
| 4814237 | Thin-film electroluminescent element | Noriaki Nakamura, Kinichi Isaka, Masashi Kawaguchi, Hisashi Uede | 1989-03-21 |