Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12408489 | Semiconductor light-emitting device | Toru Takayama, Shinji Yoshida | 2025-09-02 |
| 11070028 | Semiconductor light emitting element | Toru Takayama, Shinji Yoshida | 2021-07-20 |
| 9147804 | Nitride semiconductor light-emitting element and light source including the nitride semiconductor light-emitting element | Ryou Kato, Masaki Fujikane, Toshiya Yokogawa | 2015-09-29 |
| 9018699 | Silicon carbide semiconductor element and method for fabricating the same | Tsutomu Kiyosawa, Kazuyuki Sawada, Yuki Tomita | 2015-04-28 |
| 8866127 | Nitride semiconductor light-emitting element including Si-doped layer, and light source | Ryou Kato, Shunji Yoshida, Toshiya Yokogawa | 2014-10-21 |
| 8748901 | Silicon carbide semiconductor element | Masahiko Niwayama, Masao Uchida, Chiaki Kudou | 2014-06-10 |
| 8686439 | Silicon carbide semiconductor element | Masahiko Niwayama, Masao Uchida, Chiaki Kudou | 2014-04-01 |
| 8476733 | Semiconductor element and manufacturing method therefor | Chiaki Kudou | 2013-07-02 |
| 8399962 | Semiconductor chip and process for production thereof | Masashi Hayashi, Masao Uchida | 2013-03-19 |
| 7846828 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Makoto Kitabatake, Masao Uchida, Kenya Yamashita, Masahiro Hagio +1 more | 2010-12-07 |
| 7816688 | Semiconductor device and production method therefor | Kenya Yamashita, Makoto Kitabatake, Osamu Kusumoto, Masao Uchida, Ryoko Miyanaga | 2010-10-19 |
| 7786565 | Semiconductor apparatus including power semiconductor device constructed by using wide band gap semiconductor | Makoto Kitabatake, Osamu Kusumoto, Masao Uchida, Kenya Yamashita | 2010-08-31 |
| 7772098 | Method for manufacturing semiconductor device | Osamu Kusumoto, Chiaki Kudou | 2010-08-10 |
| 7718519 | Method for manufacturing silicon carbide semiconductor element | Chiaki Kudou | 2010-05-18 |
| 7709403 | Silicon carbide-oxide layered structure, production method thereof, and semiconductor device | Kenya Yamashita, Makoto Kitabatake, Osamu Kusumoto, 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 | Makoto Kitabatake, Osamu Kusumoto, Masao Uchida, Kenya Yamashita, Koichi Hashimoto | 2010-03-02 |
| 7507999 | Semiconductor device and method for manufacturing same | Osamu Kusumoto, Makoto Kitabatake, Kenya Yamashita, Ryoko Miyanaga, Masao Uchida | 2009-03-24 |
| 7473929 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Makoto Kitabatake, Masao Uchida, Kenya Yamashita, Masahiro Hagio +1 more | 2009-01-06 |
| 7462540 | Silicon carbide semiconductor device and process for producing the same | Makoto Kitabatake, Kenya Yamashita, Masao Uchida, Osamu Kusumoto, Ryoko Miyanaga | 2008-12-09 |
| 7436031 | Device for implementing an inverter having a reduced size | Makoto Kitabatake, Osamu Kusumoto, Masao Uchida, Kenya Yamashita, Ryoko Miyanaga +1 more | 2008-10-14 |
| 7381993 | High-breakdown-voltage insulated gate semiconductor device | Masao Uchida, Makoto Kitabatake, Osamu Kusumoto, Kenya Yamashita, Ryoko Miyanaga | 2008-06-03 |
| 7230273 | Semiconductor device with a plurality of semiconductor elements each including a wide band-gap semiconductor | Makoto Kitabatake, Osamu Kusumoto, Masao Uchida, Kenya Yamashita | 2007-06-12 |
| 7217954 | Silicon carbide semiconductor device and method for fabricating the same | Osamu Kusumoto, Makoto Kitabatake, Kenya Yamashita, Ryoko Miyanaga, Masao Uchida | 2007-05-15 |
| 7214984 | High-breakdown-voltage insulated gate semiconductor device | Masao Uchida, Makoto Kitabatake, Osamu Kusumoto, Kenya Yamashita, Ryoko Miyanaga | 2007-05-08 |
| 6995396 | Semiconductor substrate, semiconductor device and method for fabricating the same | Masao Uchida, Makoto Kitabatake, Toshiya Yokogawa, Osamu Kusumoto, Kenya Yamashita +1 more | 2006-02-07 |