Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410897 | Contact plug processing and a contact plug | — | 2008-08-12 |
| 7169682 | Method for manufacturing semiconductor device | Kazuhiro Hirohama, Masaru Tanaka, Takayoshi Hashimoto, Shinichi Sato | 2007-01-30 |
| 7122903 | Contact plug processing and a contact plug | — | 2006-10-17 |