Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641888 | Silicon single crystal, silicon wafer, and epitaxial wafer. | Masataka Horai, Shigeru Umeno, Shinsuke Sadamitsu, Yasuo Koike, Kouji Sueoka +1 more | 2003-11-04 |
| 6569237 | Method of pulling up silicon single crystal and method of manufacturing epitaxial wafer | Tadami Tanaka, Toshiaki Ono | 2003-05-27 |