Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847238 | Semiconductor device which can withstand high voltage or high current and method for fabricating the same | Tsutomu Kiyosawa, Nobuyuki Horikawa, Koutarou Tanaka, Kazuhiro Kagawa, Yasuyuki Yanase +1 more | 2014-09-30 |
| 8809871 | Semiconductor element and semiconductor device | — | 2014-08-19 |
| 8772788 | Semiconductor element and method of manufacturing thereof | Ryo Ikegami, Yuki Tomita, Masahiko Niwayama | 2014-07-08 |
| 8748901 | Silicon carbide semiconductor element | Kunimasa Takahashi, Masahiko Niwayama, Chiaki Kudou | 2014-06-10 |
| 8742427 | Semiconductor element | Makoto Kitabatake | 2014-06-03 |
| 8686439 | Silicon carbide semiconductor element | Kunimasa Takahashi, Masahiko Niwayama, Chiaki Kudou | 2014-04-01 |
| 8575729 | Semiconductor chip with linear expansion coefficients in direction parallel to sides of hexagonal semiconductor substrate and manufacturing method | Masashi Hayashi | 2013-11-05 |
| 8563988 | Semiconductor element and manufacturing method therefor | Koutarou Tanaka | 2013-10-22 |
| 8410489 | Semiconductor element, semiconductor device, and power converter | Kazuhiro Adachi, Osamu Kusumoto, Koichi Hashimoto, Shun Kazama | 2013-04-02 |
| 8399962 | Semiconductor chip and process for production thereof | Masashi Hayashi, Kunimasa Takahashi | 2013-03-19 |
| 8283973 | Semiconductor element, semiconductor device, and electric power converter | Koichi Hashimoto, Kazuhiro Adachi, Osamu Kusumoto, Shun Kazama | 2012-10-09 |
| 8237172 | Semiconductor device having a silicon carbide substrate with an ohmic electrode layer in which a reaction layer is arranged in contact with the silicon carbide substrate | Kazuya Utsunomiya, Masashi Hayashi | 2012-08-07 |
| 8222107 | Method for producing semiconductor element | Koutarou Tanaka, Masahiko Niwayama | 2012-07-17 |
| 8129758 | Semiconductor element and manufacturing method therefor | Masashi Hayashi, Koichi Hashimoto | 2012-03-06 |
| 8125005 | Semiconductor element and method for manufacturing same | Koichi Hashimoto, Masashi Hayashi | 2012-02-28 |
| 8124984 | Semiconductor multilayer structure on an off-cut semiconductor substrate | Kazuya Utsunomiya, Koichi Hashimoto | 2012-02-28 |
| 7964911 | Semiconductor element and electrical apparatus | Makoto Kitabatake, Osamu Kusumoto, Kenya Yamashita | 2011-06-21 |
| 7846828 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Makoto Kitabatake, Kunimasa Takahashi, Kenya Yamashita, Masahiro Hagio +1 more | 2010-12-07 |
| 7816688 | Semiconductor device and production method therefor | Kenya Yamashita, Makoto Kitabatake, Kunimasa Takahashi, Osamu Kusumoto, Ryoko Miyanaga | 2010-10-19 |
| 7791308 | Semiconductor element and electrical apparatus | Makoto Kitabatake, Osamu Kusumoto, Kenya Yamashita | 2010-09-07 |
| 7786565 | Semiconductor apparatus including power semiconductor device constructed by using wide band gap semiconductor | Makoto Kitabatake, Osamu Kusumoto, Kunimasa Takahashi, Kenya Yamashita | 2010-08-31 |
| 7709403 | Silicon carbide-oxide layered structure, production method thereof, and semiconductor device | Kenya Yamashita, Makoto Kitabatake, Osamu Kusumoto, Kunimasa Takahashi, Ryoko Miyanaga | 2010-05-04 |
| 7671409 | Wide gap semiconductor power device with temperature independent resistivity due to channel region resistivity having negative temperature dependence | Makoto Kitabatake, Osamu Kusumoto, Kunimasa Takahashi, Kenya Yamashita, Koichi Hashimoto | 2010-03-02 |
| 7507999 | Semiconductor device and method for manufacturing same | Osamu Kusumoto, Makoto Kitabatake, Kunimasa Takahashi, Kenya Yamashita, Ryoko Miyanaga | 2009-03-24 |
| 7473929 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Makoto Kitabatake, Kunimasa Takahashi, Kenya Yamashita, Masahiro Hagio +1 more | 2009-01-06 |