Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378835 | Method for producing silicon ingot having directional solidification structure and apparatus for producing the same | Saburo Wakita, Yoshinobu Nakada, Jun Sasaki, Yuhji Ishiwari | 2002-04-30 |
| 6334603 | Mold for producing silicon ingot and method for fabricating the same | Saburo Wakita, Jun Sasaki | 2002-01-01 |