Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7781259 | Method of manufacturing a semiconductor using a rigid substrate | Youhei Nagahama, Katsunori Wako, Yuichi Asano, Masanori Takahashi, Haruo Kojima +2 more | 2010-08-24 |
| 7122402 | Method of manufacturing a semiconductor device using a rigid substrate including the vent-end edge portion of the substrate has a thickness smaller than the other portions of the substrate | Youhei Nagahama, Katsunori Wako, Yuichi Asano, Masanori Takahashi, Haruo Kojima +2 more | 2006-10-17 |
| 6877408 | Press punching method and apparatus for forming a plurality of through holes by changing a travel distance of a punching mold | Akihiro Kubota, Shuji Mori | 2005-04-12 |