Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762129 | Dry etching method, fabrication method for semiconductor device, and dry etching apparatus | Takao Yamaguchi, Hideo Niko | 2004-07-13 |
| 6731190 | Electromagnetic relay | Shigemitsu Aoki | 2004-05-04 |