Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8907420 | Power semiconductor device | Wataru Saito, Syotaro Ono, Yasuto Sumi, Masaru Izumisawa, Hiroshi Ohta | 2014-12-09 |
| 8283720 | Power semiconductor device | Wataru Saito, Syotaro Ono, Yauto Sumi, Masaru Izumisawa, Wataru Sekine +2 more | 2012-10-09 |
| 8227854 | Semiconductor device having first and second resurf layers | Syotaro Ono, Wataru Saito, Yasuto Sumi, Masaru Izumisawa, Hiroshi Ohta | 2012-07-24 |
| 8013360 | Semiconductor device having a junction of P type pillar region and N type pillar region | Wataru Saito, Syotaro Ono, Yasuto Sumi, Masaru Izumisawa, Hiroshi Ohta +1 more | 2011-09-06 |
| 7759732 | Power semiconductor device | Wataru Saito, Syotaro Ono, Yasuto Sumi, Masaru Izumisawa, Hiroshi Ohta | 2010-07-20 |
| 7737469 | Semiconductor device having superjunction structure formed of p-type and n-type pillar regions | Wataru Saito, Syotaro Ono, Yasuto Sumi, Masaru Izumisawa, Hiroshi Ohta +1 more | 2010-06-15 |
| 7622771 | Semiconductor apparatus | Syotaro Ono, Wataru Saito, Yasuto Sumi, Masaru Izumisawa, Hiroshi Ohta +1 more | 2009-11-24 |
| 7605426 | Power semiconductor device | Wataru Saito, Syotaro Ono, Yasuto Sumi, Masaru Izumisawa, Hiroshi Ohta | 2009-10-20 |
| 6002153 | MOS type semiconductor device with a current detecting function | Tetsujiro Tsunoda, Takahiro Ito | 1999-12-14 |
| 5721455 | Semiconductor device having a thermal resistance detector in the heat radiating path | — | 1998-02-24 |