Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362670 | Semiconductor device producing method requiring only two masks for completion of element isolation regions and P- and N-wells | Katsuji Iguchi, Shigeki Hayashida, Shinichi Sato, Tomohiko Tateyama | 1994-11-08 |
| 5278082 | Method for electrically connecting an electrode and impurity-diffused layer formed on a semiconductor substrate | — | 1994-01-11 |