Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164801 | A P channel MIS type semiconductor device | Katsuhiko Hieda, Kazumasa Sunouchi, Akihiro Nitayama, Kazushi Tsuda, Hiroshi Takato | 1992-11-17 |
| 5061649 | Field effect transistor with lightly doped drain structure and method for manufacturing the same | Katsuhiko Hieda | 1991-10-29 |