Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423137 | Single crystal material supplying apparatus and single crystal material supplying method | — | 2002-07-23 |
| 6361597 | Single crystal material auxiliary melting apparatus and single crystal material melting method | Tomohisa Machida, Yutaka Shiraishi | 2002-03-26 |