Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140385 | Light emitting element and method of manufacture | Iwao Mitsuishi, Takashi Yasuda | 1992-08-18 |
| 5068204 | Method of manufacturing a light emitting element | Iwao Mitsuishi, Takashi Yasuda | 1991-11-26 |
| 4755717 | Fluorescent display apparatus | Kiyoshi Morimoto, Hitoshi Toki | 1988-07-05 |
| 4563297 | Fluorescent composition | Kiyoshi Morimoto, Hitoshi Toki | 1986-01-07 |