Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253431 | Silicon carbide single crystal and method for producing silicon carbide single crystal | Hiroyuki Kondo, Shoichi Onda, Hiroki Watanabe | 2019-04-09 |
| 8980003 | Method of manufacturing silicon carbide single crystal | Hiroki Watanabe, Masami Naito | 2015-03-17 |
| 8591654 | Device for manufacturing sic single crystal and method for the same | Jun Kojima | 2013-11-26 |
| 8518809 | Manufacturing method of silicon carbide single crystal | Hiroki Watanabe, Yasushi Furukawa, Kensaku Yamamoto, Hidefumi Takaya, Masahiro Sugimoto +3 more | 2013-08-27 |
| 8470091 | SiC single crystal substrate, SiC single crystal epitaxial wafer, and SiC semiconductor device | Hiroki Watanabe, Masanori Nagaya, Kensaku Yamamoto, Eiichi Okuno | 2013-06-25 |
| 7314523 | Manufacturing equipment of SiC single crystal and method for manufacturing SiC single crystal | Kouki Futatsuyama | 2008-01-01 |
| 7217323 | Equipment and method for manufacturing silicon carbide single crystal | Naohiro Sugiyama, Emi Makino, Kazukuni Hara, Kouki Futatsuyama, Atsuto Okamoto | 2007-05-15 |
| 5952679 | Semiconductor substrate and method for straightening warp of semiconductor substrate | Eiji Kitaoka, Takamasa Suzuki, Mitsuhiro Kataoka | 1999-09-14 |
| 5944890 | Method of producing single crystals and a seed crystal used in the method | Naohiro Sugiyama, Atsuto Okamoto, Toshihiko Tani, Nobuo Kamiya | 1999-08-31 |