Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988639 | Method of manufacturing semiconductor devices using trench isolation method that forms highly flat buried insulation film | — | 1991-01-29 |
| 4283733 | Semiconductor integrated circuit device including element for monitoring characteristics of the device | — | 1981-08-11 |
| 4197632 | Semiconductor device | — | 1980-04-15 |
| 4191595 | Method of manufacturing PN junctions in a semiconductor region to reach an isolation layer without exposing the semiconductor region surface | Fujiki Tokuyoshi, Masahiko Nakamae | 1980-03-04 |