Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851364 | Method of forming well regions for field effect transistors utilizing self-aligned techniques | Takaaki Hagiwara, Ryuji Kondo, Shinichi Minami, Yokichi Itoh | 1989-07-25 |
| 4818719 | Method of manufacturing an integrated CMOS of ordinary logic circuit and of high voltage MOS circuit | Ching-Fa Yeh, Yasunao Misawa | 1989-04-04 |