Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304819 | Light-activated semiconductor device having light-emitting elements, light-receiving elements and output elements | Hiroyasu Torazawa, Kenji Mizuuchi | 1994-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304819 | Light-activated semiconductor device having light-emitting elements, light-receiving elements and output elements | Hiroyasu Torazawa, Kenji Mizuuchi | 1994-04-19 |