Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410945 | Heterojunction bipolar transistor and its manufacturing process | Masahiro Shiota, Toshiyuki Shinozaki, Hideyuki Tsuji | 2002-06-25 |
| 6037663 | Ohmic electrode structure for In.sub.x Ga.sub.1-x As layer | Motoji Yagura, Masanori Kominami, Koken Yoshikawa, John Twynam | 2000-03-14 |
| 5721437 | Heterojunction-type bipolar transistor with ballast resistance layer | John Twynam, Motoji Yagura, Toshiyuki Shinozaki | 1998-02-24 |
| 5719415 | Hetero-junction bipolar transistor | Motoji Yagura, John Twynam, Hiroya Sato, Koken Yoshikawa | 1998-02-17 |
| 5508536 | Heterojunction bipolar transistor having low electron and hole concentrations in the emitter-base junction region | John Twynam, Katsuhiko Kishimoto | 1996-04-16 |
| 5158897 | Method for the production of a semiconductor device by implanting fluorocarbon ions | Hiroya Sato, Yasuhito Nakagawa | 1992-10-27 |