Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350541 | Doping from a photoresist layer | Yoshihiko Mizushima, Akitsu Takeda, Akira Yoshikawa, Tomoko Hisaki | 1982-09-21 |
| 4320191 | Pattern-forming process | Akira Yoshikawa, Tomoko Hisaki, Yoshihiko Mizushima | 1982-03-16 |