Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8383509 | Manufacture method for semiconductor device having improved copper diffusion preventive function of plugs and wirings made of copper or copper alloy and semiconductor device of this kind | Hideki Kitada, Kiyoshi Ozawa | 2013-02-26 |
| 7871924 | Semiconductor device having copper wiring | Hideki Kitada | 2011-01-18 |
| 7611984 | Manufacture method for semiconductor device having improved copper diffusion preventive function of plugs and wirings made of copper or copper alloy | Hideki Kitada, Kiyoshi Ozawa | 2009-11-03 |
| 7205667 | Semiconductor device having copper wiring | Hideki Kitada | 2007-04-17 |