Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5559348 | Semiconductor device having insulated gate bipolar transistor | Kiyoto Watabe, Masana Harada | 1996-09-24 |
| 5526214 | Short-circuit protective circuit and power darlington transistor module | Masanori Inoue | 1996-06-11 |
| 5397913 | Biopolar/Darlington transistor having enhanced comprehensive electricity characteristics | Toshiaki Hikichi | 1995-03-14 |
| 5229313 | Method of making a semiconductor device having multilayer structure | — | 1993-07-20 |
| 5111267 | Semiconductor device having a multilayer electrode structure and method for fabricating the same | — | 1992-05-05 |
| 4827322 | Power transistor | — | 1989-05-02 |
| 4652902 | Power semiconductor device | Takayuki Kitamura | 1987-03-24 |