Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12278275 | Selective laser annealing method | Albert Birner, Rudolf Berger, Helmut Brech, Olaf Storbeck, Haifeng Sun | 2025-04-15 |
| 12230689 | Semiconductor device and method for fabricating a semiconductor wafer | Helmut Brech, Albert Birner | 2025-02-18 |
| 12087830 | Group III nitride device and method of fabricating a Group III nitride-based device | Albert Birner, Helmut Brech | 2024-09-10 |
| 11929405 | Group III nitride-based transistor device having a field plate | Albert Birner, Helmut Brech | 2024-03-12 |
| 11869963 | Semiconductor device and method of fabricating a semiconductor device | Albert Birner, Helmut Brech | 2024-01-09 |
| 11581418 | Selective thermal annealing method | Albert Birner, Rudolf Berger, Helmut Brech, Olaf Storbeck, Haifeng Sun | 2023-02-14 |
| 11342451 | Semiconductor device and method of fabricating a semiconductor device | Albert Birner, Helmut Brech | 2022-05-24 |
| 10403723 | Semiconductor device and semiconductor circuit including the device | — | 2019-09-03 |
| 9825026 | Semiconductor device and semiconductor circuit including the semiconductor device with enhanced current-voltage characteristics | — | 2017-11-21 |
| 9269801 | Normally-off-type heterojunction field-effect transistor | — | 2016-02-23 |
| 8766275 | Composite semiconductor device | Naoyasu Iketani, Tomohiro Nozawa, Yoshiaki Nozaki, Hiroshi Kawamura, Keiichi Sakuno | 2014-07-01 |
| 8723224 | Semiconductor device | Nobuyuki Ito | 2014-05-13 |
| 8288796 | Semiconductor device | Nobuyuki Ito | 2012-10-16 |
| 8258544 | Field-effect transistor | Tetsuzo Nagahisa | 2012-09-04 |
| 8017977 | Field effect transistor having recessed gate in compositional graded layer | — | 2011-09-13 |
| 8004022 | Field effect transistor | Norimasa Yafune | 2011-08-23 |
| 7928480 | Semiconductor device | Masaharu Yamashita | 2011-04-19 |
| 7893461 | Electronic device and heterojunction FET | — | 2011-02-22 |
| 7759760 | Semiconductor switching element and semiconductor circuit apparatus | Norimasa Yafune | 2010-07-20 |
| 7733105 | Voltage clamp circuit and semiconductor device, overcurrent protection circuit, voltage measurement probe, voltage measurement device and semiconductor evaluation device respectively using the same | Yoshiaki Nozaki, Hiroshi Kawamura, Masatomo Hasegawa | 2010-06-08 |
| 7629632 | Insulated-gate field effect transistor | — | 2009-12-08 |
| 7566917 | Electronic device and heterojunction FET | — | 2009-07-28 |
| 7538364 | Compound semiconductor FET | — | 2009-05-26 |
| 7126171 | Bipolar transistor | — | 2006-10-24 |
| 6611008 | Heterojunction bipolar transistor capable of restraining the conductivity modulation of the ballast layer | Yoshiteru Ishimaru | 2003-08-26 |