Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8823148 | Diode with epitaxially grown semiconductor layers | Chiharu Ota, Takashi Shinohe, Makoto Mizukami | 2014-09-02 |
| 8686436 | Silicon carbide semiconductor device | Hiroshi Kono, Takashi Shinohe, Takuma Suzuki | 2014-04-01 |
| 8686437 | DIMOSFET SiC semiconductor device | Hiroshi Kono, Takashi Shinohe, Takuma Suzuki | 2014-04-01 |
| 8679957 | Method of manufacturing semiconductor device | Chiharu Ota, Takashi Shinohe | 2014-03-25 |
| 8227811 | Semiconductor rectifying device | Makoto Mizukami | 2012-07-24 |
| 8012837 | Method of manufacturing semiconductor device | Chiharu Ota, Takuma Suzuki, Hiroshi Kono, Makoto Mizukami, Takashi Shinohe | 2011-09-06 |
| 7977210 | Semiconductor substrate and semiconductor device | Chiharu Ota, Takashi Shinohe | 2011-07-12 |
| 7947988 | Semiconductor device and method of manufacturing the same | Hiroshi Kono, Takashi Shinohe, Chiharu Ota | 2011-05-24 |
| 7777292 | Semiconductor device | Chiharu Ota, Tetsuo Hatakeyama, Takashi Shinohe | 2010-08-17 |
| 7508045 | SiC Schottky barrier semiconductor device | Takuma Suzuki, Chiharu Ota, Takashi Shinohe | 2009-03-24 |
| 6627552 | Method for preparing epitaxial-substrate and method for manufacturing semiconductor device employing the same | Masayuki Ishikawa | 2003-09-30 |
| 6359919 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Masayuki Ishikawa, Masahiro Yamamoto, Shinya Nunoue, Genichi Hatakoshi, Hidetoshi Fujimoto | 2002-03-19 |
| 6303405 | Semiconductor light emitting element, and its manufacturing method | Hiroaki Yoshida, Kazuhiko Itaya, Shinji Saito, Shinya Nunoue | 2001-10-16 |
| 6204084 | Nitride system semiconductor device and method for manufacturing the same | Lisa Sugiura, Mariko Suzuki, Kazuhiko Itaya, Hidetoshi Fujimoto, John Rennie +1 more | 2001-03-20 |
| 6147364 | Compound semiconductor device formed of nitrogen-containing gallium compound such as gan, algan or ingan | Kazuhiko Itaya, Hidetoshi Fujimoto, Mariko Suzuki, Lisa Sugiura | 2000-11-14 |
| 6121634 | Nitride semiconductor light emitting device and its manufacturing method | Shinji Saito, Genichi Hatakoshi, Masaaki Onomura, Hidetoshi Fujimoto, Norio Iizuka +2 more | 2000-09-19 |
| 6118801 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Masayuki Ishikawa, Masahiro Yamamoto, Shinya Nunoue, Genichi Hatakoshi, Hidetoshi Fujimoto | 2000-09-12 |
| 5998810 | Semiconductor light-emitting diode having a p-type semiconductor layer formed on a light-emitting layer | Ako Hatano, Yasuo Ohba, Hidetoshi Fujimoto, Kazuhiko Itaya | 1999-12-07 |
| 5987048 | Gallium nitride-based compound semiconductor laser and method of manufacturing the same | Masayuki Ishikawa, Masahiro Yamamoto, Shinya Nunoue, Genichi Hatakoshi, Hidetoshi Fujimoto | 1999-11-16 |
| 5932896 | Nitride system semiconductor device with oxygen | Lisa Sugiura, Mariko Suzuki, Kazuhiko Itaya, Hidetoshi Fujimoto, John Rennie +1 more | 1999-08-03 |
| 5903017 | Compound semiconductor device formed of nitrogen-containing gallium compound such as GaN, AlGaN or InGaN | Kazuhiko Itaya, Hidetoshi Fujimoto, Mariko Suzuki, Lisa Sugiura | 1999-05-11 |
| 5786606 | Semiconductor light-emitting device | Hidetoshi Fujimoto, Kazuhiko Itaya | 1998-07-28 |
| 5740192 | Semiconductor laser | Ako Hatano, Yasuo Ohba, Hidetoshi Fujimoto, Kazuhiko Itaya | 1998-04-14 |
| 5471945 | Method and apparatus for forming a semiconductor boule | Takashi Fujii | 1995-12-05 |
| 5415125 | Method of forming a semiconductor boule | Hiromoto Fujita | 1995-05-16 |