Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349227 | Semiconductor input protective device against external surge voltage | — | 1994-09-20 |
| 5233223 | Semiconductor device having a plurality of conductive layers interconnected via a tungsten plug | — | 1993-08-03 |
| 5099308 | Semiconductor device having reverse conductivity-type diffusion layer and semiconductor wiring layer connected by metallic connection wiring layer | — | 1992-03-24 |