Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876580 | Tunnel injection controlling type semiconductor device controlled by static induction effect | — | 1989-10-24 |
| 4872044 | Static induction type thyristor | Tadahiro Ohmi | 1989-10-03 |
| 4870028 | Method of making double gate static induction thyristor | Hisao Kondoh | 1989-09-26 |
| 4866500 | Integrated light-triggered and light-quenched static induction thyristor and making method thereof | Takashige Tamamushi, Ken Nonaka | 1989-09-12 |
| 4841350 | Static induction photothyristor having a non-homogeneously doped gate | — | 1989-06-20 |
| 4837608 | Double gate static induction thyristor and method for manufacturing the same | Hisao Kondoh | 1989-06-06 |
| 4819058 | Semiconductor device having a pn junction | — | 1989-04-04 |
| 4814843 | Charge transfer device with pn junction gates | — | 1989-03-21 |
| 4814839 | Insulated gate static induction transistor and integrated circuit including same | Tadahiro Ohmi | 1989-03-21 |
| 4811064 | Static induction transistor and integrated circuit device using same | Bogdan M. Wilamowski | 1989-03-07 |
| 4799090 | Tunnel injection controlling type semiconductor device controlled by static induction effect | — | 1989-01-17 |