Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462587 | Integrated circuit having a comparator circuit including at least one differential amplifier | — | 2002-10-08 |
| 6323539 | High voltage integrated circuit, high voltage junction terminating structure, and high voltage MIS transistor | Tatsuhiko Fujihira, Shigeyuki Obinata, Naoki Kumagai | 2001-11-27 |
| 6320429 | Integrated circuit having a comparator circuit including at least one differential amplifier | — | 2001-11-20 |
| 6124628 | High voltage integrated circuit, high voltage junction terminating structure, and high voltage MIS transistor | Tatsuhiko Fujihira, Shigeyuki Obinata, Naoki Kumagai | 2000-09-26 |
| 5811996 | Gate drive circuit having reduced current-consumption and rapid inductive energy dissipation | Kazunori Oyabe, Tatsuhiko Fujihira, Kazuhiko Yoshida | 1998-09-22 |
| 5621601 | Over-current protection apparatus for transistor | Tatsuhiko Fujihira, Shin Kiuchi, Kazuhiko Yoshida, Kazunori Oyabe, Shoichi Furuhata +1 more | 1997-04-15 |
| 5530277 | Insulated-gate bipolar transistor | Masahito Otsuki, Shigeyuki Obinata | 1996-06-25 |
| 5461259 | High-current integrated circuit | Akio Kitamura | 1995-10-24 |