Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988738 | Method for manufacturing SiC epitaxial wafer | Yoichiro Mitani, Takanori Tanaka, Naoyuki KAWABATA, Yoshihiko Toyoda, Takeharu Kuroiwa +4 more | 2018-06-05 |
| 9957638 | Method for manufacturing silicon carbide semiconductor device | Akihito Ohno, Yoichiro Mitani, Takahiro Yamamoto, Kenichi Hamano | 2018-05-01 |
| 9903048 | Single-crystal 4H-SiC substrate | Akihito Ohno, Zempei Kawazu, Takanori Tanaka, Yoichiro Mitani, Kenichi Hamano | 2018-02-27 |
| 9752254 | Method for manufacturing a single-crystal 4H—SiC substrate | Akihito Ohno, Zempei Kawazu, Takanori Tanaka, Yoichiro Mitani, Kenichi Hamano | 2017-09-05 |
| 9722017 | Silicon carbide semiconductor device | Takaaki TOMINAGA, Naoyuki KAWABATA | 2017-08-01 |
| 9564315 | Manufacturing method and apparatus for manufacturing silicon carbide epitaxial wafer | Akihito Ohno, Masashi Sakai, Yoichiro Mitani, Takahiro Yamamoto, Yasuhiro Kimura +1 more | 2017-02-07 |
| 9422640 | Single-crystal 4H-SiC substrate | Akihito Ohno, Zempei Kawazu, Takanori Tanaka, Yoichiro Mitani, Kenichi Hamano | 2016-08-23 |
| 8916880 | Silicon carbide epitaxial wafer and semiconductor device | Kenichi Ohtsuka, Tomoaki Furusho | 2014-12-23 |
| 8679952 | Method of manufacturing silicon carbide epitaxial wafer | Kenichi Hamano, Masayoshi Tarutani, Yoichiro Mitani, Takeharu Kuroiwa, Masayuki Imaizumi +5 more | 2014-03-25 |
| 8569106 | Method for manufacturing silicon carbide semiconductor device | Kenichi Hamano, Kenichi Ohtsuka, Masayoshi Tarutani | 2013-10-29 |
| 7923742 | Method for production of a nitride semiconductor laminated structure and an optical semiconductor device | Akihito Ohno, Masayoshi Takemi | 2011-04-12 |
| 7763486 | Method for manufacturing nitride semiconductor stacked structure and semiconductor light-emitting device | Akihito Ohno, Masayoshi Takemi | 2010-07-27 |
| 7632695 | Semiconductor device manufacturing method | Akihito Ohno, Masayoshi Takemi | 2009-12-15 |
| 7462889 | Avalanche photodiode | Eiji Yagyu, Eitaro Ishimura, Masaharu Nakaji | 2008-12-09 |
| 7345325 | Avalanche photodiode | Masaharu Nakaji, Eitaro Ishimura, Eiji Yagyu | 2008-03-18 |
| 7259408 | Avalanche photodiode | Eiji Yagyu, Eitaro Ishimura, Masaharu Nakaji | 2007-08-21 |
| 7187013 | Avalanche photodiode | Masaharu Nakaji, Eitaro Ishimura, Eiji Yagyu | 2007-03-06 |
| 7187701 | Ridge waveguide semiconductor laser | Yutaka Mihashi, Tohru Takiguchi, Toshio Tanaka, Tomoko Kadowaki, Yoshihiko Hanamaki | 2007-03-06 |
| 7172429 | Method of manufacturing semiconductor light emitting device | Masayoshi Takemi, Akihito Ohno | 2007-02-06 |
| 7038251 | Semiconductor device | Eitaro Ishimura, Masaharu Nakaji, Eiji Yagyu | 2006-05-02 |