Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766086 | Method of gettering a semiconductor device and forming an isolation region therein | Jiro Ohshima, Shin-ichi Taka, Masaharu Aoyama | 1988-08-23 |
| 4543707 | Method of forming through holes by differential etching of stacked silicon oxynitride layers | Jiro Ohshima | 1985-10-01 |