Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8344457 | Insulated-gate semiconductor device with protection diode | Eio Onodera, Hiroyasu Ishida | 2013-01-01 |
| 7825474 | Insulated-gate semiconductor device and PN junction diodes | Eio Onodera, Hiroyasu Ishida | 2010-11-02 |
| 7732869 | Insulated-gate semiconductor device | Eio Onodera, Hiroyasu Ishida | 2010-06-08 |
| 7692240 | Insulated gate semiconductor device | Hiroyasu Ishida | 2010-04-06 |
| 7301786 | Quasi resonant type switching power supply apparatus with overcurrent limiting | Yoshio Fujimura | 2007-11-27 |
| 7199649 | Switching power supply | — | 2007-04-03 |
| 5842120 | Radio receiver with programmable digital tuner immune to manufacturing variations in varactor capacitance | Keiji Kobayashi | 1998-11-24 |