Issued Patents All Time
Showing 1–25 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139813 | SiC wafer and manufacturing method for SiC wafer | Masatake Nagaya, Takahiro KANDA, Takeshi Okamoto, Satoshi Torimi, Satoru Nogami | 2024-11-12 |
| 11261539 | Method for manufacturing reformed sic wafer, epitaxial layer-attached sic wafer, method for manufacturing same, and surface treatment method | Satoshi Torimi, Yusuke Sudo, Masato Shinohara, Youji Teramoto, Takuya Sakaguchi +1 more | 2022-03-01 |
| 9179504 | Electric power converting apparatus and induction heating apparatus | Shun Kazama, Masaki Tagome | 2015-11-03 |
| 8896178 | Synchronous electric motor drive system having slit windings | Noriyoshi Nishiyama | 2014-11-25 |
| 8885368 | Power converting apparatus suppressing switching noise by controlling switching operation | Shun Kazama, Masaki Tagome | 2014-11-11 |
| 8742427 | Semiconductor element | Masao Uchida | 2014-06-03 |
| 8693226 | Synchronous rectification type inverter | Shun Kazama | 2014-04-08 |
| 8680794 | Load drive system, motor drive system, and vehicle control system | Shun Kazama, Masaki Tagome | 2014-03-25 |
| 8519592 | Synchronous electric motor | Noriyoshi Nishiyama, Masaki Tagome, Yasuhiro Kondo, Shun Kazama | 2013-08-27 |
| 8497648 | Synchronous electric motor drive system | Masaki Tagome, Noriyoshi Nishiyama, Yasuhiro Kondo, Shun Kazama | 2013-07-30 |
| 8390165 | Synchronous motor drive system | Noriyoshi Nishiyama, Masaki Tagome, Yasuhiro Kondo, Shun Kazama | 2013-03-05 |
| 8363440 | Power conversion circuit having off-voltage control circuit | Masaki Tagome, Shun Kazama | 2013-01-29 |
| 8350549 | Converter with switches having a diode region that is unipolar-conductive only in the reverse direction | — | 2013-01-08 |
| 8030758 | Semiconductor module and method for fabricating semiconductor module | — | 2011-10-04 |
| 7964911 | Semiconductor element and electrical apparatus | Osamu Kusumoto, Masao Uchida, Kenya Yamashita | 2011-06-21 |
| 7846828 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Masao Uchida, Kunimasa Takahashi, Kenya Yamashita, Masahiro Hagio +1 more | 2010-12-07 |
| 7816688 | Semiconductor device and production method therefor | Kenya Yamashita, Kunimasa Takahashi, Osamu Kusumoto, Masao Uchida, Ryoko Miyanaga | 2010-10-19 |
| 7791308 | Semiconductor element and electrical apparatus | Osamu Kusumoto, Masao Uchida, Kenya Yamashita | 2010-09-07 |
| 7786565 | Semiconductor apparatus including power semiconductor device constructed by using wide band gap semiconductor | Osamu Kusumoto, Masao Uchida, Kunimasa Takahashi, Kenya Yamashita | 2010-08-31 |
| 7751215 | Semiconductor device and electric apparatus having a semiconductor layer divided into a plurality of square subregions | — | 2010-07-06 |
| 7709403 | Silicon carbide-oxide layered structure, production method thereof, and semiconductor device | Kenya Yamashita, Osamu Kusumoto, Kunimasa Takahashi, Masao Uchida, Ryoko Miyanaga | 2010-05-04 |
| 7671409 | Wide gap semiconductor power device with temperature independent resistivity due to channel region resistivity having negative temperature dependence | Osamu Kusumoto, Masao Uchida, Kunimasa Takahashi, Kenya Yamashita, Koichi Hashimoto | 2010-03-02 |
| 7521786 | Sustaining circuit with bi-directional device | Kazuhiko Asada, Hidekazu Yamashita, Nobuyoshi Nagagata, Kazuhiro Nobori, Hideki Omori +1 more | 2009-04-21 |
| 7507999 | Semiconductor device and method for manufacturing same | Osamu Kusumoto, Kunimasa Takahashi, Kenya Yamashita, Ryoko Miyanaga, Masao Uchida | 2009-03-24 |
| 7473929 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Masao Uchida, Kunimasa Takahashi, Kenya Yamashita, Masahiro Hagio +1 more | 2009-01-06 |