Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380014 | Manufacture method of semiconductor device with suppressed impurity diffusion from gate electrode | Hiroyuki Ohta | 2002-04-30 |
| 6268295 | Method of manufacturing semiconductor device | Hiroyuki Ohta | 2001-07-31 |
| 6017784 | Manufacture method of semiconductor device with suppressed impurity diffusion from gate electrode | Hiroyuki Ohta | 2000-01-25 |