Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753951 | Method for manufacturing silicon carbide semiconductor device | Toshikazu Tanioka, Masayuki Furuhashi | 2014-06-17 |
| 8723259 | Silicon carbide semiconductor device | Yukiyasu Nakao, Shuhei Nakata, Naruhisa Miura | 2014-05-13 |
| 8679952 | Method of manufacturing silicon carbide epitaxial wafer | Nobuyuki Tomita, Kenichi Hamano, Masayoshi Tarutani, Yoichiro Mitani, Takeharu Kuroiwa +5 more | 2014-03-25 |
| 8680538 | Silicon carbide semiconductor device | Yoichiro Tarui, Kenichi Ohtsuka, Naruhisa Miura, Yoshinori Matsuno | 2014-03-25 |
| 8304901 | Semiconductor device having a groove and a junction termination extension layer surrounding a guard ring layer | Hiroshi Watanabe, Naoki Yutani, Kenichi Ohtsuka, Kenichi Kuroda, Yoshinori Matsuno | 2012-11-06 |
| 8252672 | Silicon carbide semiconductor device comprising silicon carbide layer and method of manufacturing the same | Tomokatsu Watanabe, Sunao Aya, Naruhisa Miura, Keiko Sakai, Shohei Yoshida +3 more | 2012-08-28 |
| 8222649 | Semiconductor device and method of manufacturing the same | Naruhisa Miura, Keiko Fujihira, Kenichi Otsuka | 2012-07-17 |
| 8093598 | Power semiconductor device | Kenichi Ohtsuka, Naruhisa Miura, Tatsuo Oomori | 2012-01-10 |
| 8026160 | Semiconductor device and semiconductor device manufacturing method | Yoichiro Tarui, Ken-ichi Ohtsuka | 2011-09-27 |
| 7928469 | MOSFET and method for manufacturing MOSFET | Keiko Fujihira, Naruhisa Miura, Kenichi Ohtsuka | 2011-04-19 |
| 7708029 | Coupling member of pipe coupling | Hiroyuki Kitagawa, Koji Matsumoto | 2010-05-04 |
| 7285465 | Method of manufacturing a SiC vertical MOSFET | Yoichiro Tarui, Ken-ichi Ohtsuka, Hiroshi Sugimoto, Tetsuya Takami | 2007-10-23 |
| 7029969 | Method of manufacture of a silicon carbide MOSFET including a masking with a tapered shape and implanting ions at an angle | Yoichiro Tarui, Ken-ichi Ohtsuka, Hiroshi Sugimoto, Tetsuya Takami | 2006-04-18 |