Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804090 | Process for etching semiconductors using a hydrazine and metal hydroxide-containing etching solution | Yasukazu Iwasaki, Norihiko Kiritani, Takatoshi Noguchi, Makoto Uchiyama | 1998-09-08 |