Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492271 | Semiconductor device and method of manufacturing the same | Hisashi Okuchi, Soichi Nadahara, Yoshihiro Ogawa, Hiroshi Tomita | 2002-12-10 |
| 6475909 | Method of fabricating metal wiring on a semiconductor substrate using ammonia-containing plating and etching solutions | — | 2002-11-05 |
| 6459111 | Semiconductor device and method for manufacturing the same | Katsuaki Natori, Tomohiro Saito | 2002-10-01 |
| 6261953 | Method of forming a copper oxide film to etch a copper surface evenly | — | 2001-07-17 |