Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8859034 | Ingot mold for silicon ingot and method for making the same | Shigeru Gotoh, Youhei Sakai | 2014-10-14 |
| 8431070 | Mold forming and molding method | Masahiro Tsuchida, Shigeru Goto, Muneyoshi Yamatani | 2013-04-30 |