Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806206 | Etching method and etching liquid | Masaki Munakata, Hirohito Komatsu, Satoshi Kumon, Kazuma Teramoto, Nobuhiro Goda +3 more | 2004-10-19 |
| 6727178 | Etchant and method of etching | Takuji Yoshida, Kazunori Inoue, Makoto Ishikawa, Yoshio Kamiharaguchi | 2004-04-27 |