Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7704318 | Silicon wafer, SOI substrate, method for growing silicon single crystal, method for manufacturing silicon wafer, and method for manufacturing SOI substrate | Masataka Hourai, Wataru Sugimura, Toshiaki Ono | 2010-04-27 |
| 7014704 | Method for growing silicon single crystal | Toshiaki Ono, Shigeru Umeno, Eiichi Asayama, Hideshi Nishikawa | 2006-03-21 |
| 6905771 | Silicon wafer | Toshiaki Ono, Masataka Hourai | 2005-06-14 |
| 6835245 | Method of manufacturing epitaxial wafer and method of producing single crystal as material therefor | Toshiaki Ono, Eiichi Asayama, Hideshi Nishikawa, Masataka Horai | 2004-12-28 |
| 6709957 | Method of producing epitaxial wafers | Eiichi Asayama, Yasuo Koike, Toshiaki Ono, Masataka Horai, Hideshi Nishikawa | 2004-03-23 |
| 6569237 | Method of pulling up silicon single crystal and method of manufacturing epitaxial wafer | Toshiaki Ono, Eiichi Asayama | 2003-05-27 |
| 6514335 | High-quality silicon single crystal and method of producing the same | Kazuyuki Egashira, Masahiko Okui, Manabu Nishimoto, Shunji Kuragaki, Takayuki Kubo +3 more | 2003-02-04 |
| 6113687 | Method for making a silicon single crystal wafer | Masataka Horai, Kazuyuki Egashira | 2000-09-05 |