Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303843 | Photomask and method for exposing chip pattern | — | 2007-12-04 |
| 7150948 | Photomask and method for exposing chip pattern | — | 2006-12-19 |
| 7049676 | Semiconductor device having a shielding layer | Shinji Tanabe | 2006-05-23 |