Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793902 | Seed crystal for production of silicon single crystal and method for production of silicon single crystal | Masahiro Tanaka, Yutaka Kishida, Hideo Kato, Seiki Takebayashi | 2004-09-21 |