Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875501 | Holding jig, semiconductor wafer grinding method, semiconductor wafer protecting structure and semiconductor wafer grinding method and semiconductor chip fabrication method using the structure | Kiyofumi Tanaka, Noriyoshi Hosono, Hironobu Fujimoto, Takeshi Segawa | 2011-01-25 |