Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486013 | Method of manufacturing a semiconductor device having regions of different conductivity types isolated by field oxide | Atsushi Kawasaki, Katsuki Hazama, Fumitaka Sugaya | 2002-11-26 |
| 6482692 | METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE, HAVING FIRST AND SECOND SEMICONDUCTOR REGIONS WITH FIELD SHIELD ISOLATION STRUCTURES AND A FIELD OXIDE FILM COVERING A JUNCTION BETWEEN SEMICONDUCTOR REGIONS | Atsushi Kawasaki, Katsuki Hazama, Fumitaka Sugaya | 2002-11-19 |