Issued Patents 1994
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372954 | Method of fabricating an insulated gate bipolar transistor | — | 1994-12-13 |
| 5360746 | Method of fabricating a semiconductor device | — | 1994-11-01 |
| 5344789 | Method of manufacturing vertical DMOS transistor with high off-breakdown-voltage and low on-resistance | — | 1994-09-06 |
| 5334546 | Method of forming a semiconductor device which prevents field concentration | — | 1994-08-02 |
| 5324670 | Method of manufacturing a thyristor device with improved turn-off characteristics | — | 1994-06-28 |
| 5309002 | Semiconductor device with protruding portion | — | 1994-05-03 |
| 5293056 | Semiconductor device with high off-breakdown-voltage and low on resistance | — | 1994-03-08 |
| 5289019 | Insulated gate bipolar transistor | — | 1994-02-22 |
| 5279977 | Method of manufacturing a semiconductor device for extracting a signal used to monitor potential of a high voltage island | Takeshi Kida, Kazumasa Satsuma, Gourab Majumdar, Hiroshi Yamaguchi, Masanori Fukunaga +1 more | 1994-01-18 |