Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9136324 | Power semiconductor device and method for manufacturing the same | Kiyoshi Kimura, Hiroshi Ohta, Hiroyuki Irifune | 2015-09-15 |
| 8907420 | Power semiconductor device | Wataru Saito, Syotaro Ono, Masakatsu Takashita, Masaru Izumisawa, Hiroshi Ohta | 2014-12-09 |
| 8872261 | Semiconductor device and manufacturing method of the same | Hiroyuki Irifune, Wataru Saito, Kiyoshi Kimura, Hiroshi Ohta, Junji Suzuki | 2014-10-28 |
| 8860144 | Power semiconductor device | Hiroshi Ohta, Kiyoshi Kimura, Junji Suzuki, Hiroyuki Irifune, Wataru Saito +1 more | 2014-10-14 |
| 8680606 | Power semiconductor device | Hiroshi Ohta, Kiyoshi Kimura, Junji Suzuki, Hiroyuki Irifune | 2014-03-25 |
| 8643056 | Power semiconductor device and method of manufacturing the same | Kiyoshi Kimura, Hiroshi Ohta, Hiroyuki Irifune | 2014-02-04 |
| 8610210 | Power semiconductor device and method for manufacturing same | Hiroshi Ohta, Kiyoshi Kimura, Wataru Sekine, Wataru Saito, Syotaro Ono +3 more | 2013-12-17 |
| 8487374 | Power semiconductor device | Hiroshi Ohta, Kiyoshi Kimura, Junji Suzuki, Hiroyuki Irifune, Wataru Saito +1 more | 2013-07-16 |
| 8227854 | Semiconductor device having first and second resurf layers | Syotaro Ono, Wataru Saito, Masakatsu Takashita, Masaru Izumisawa, Hiroshi Ohta | 2012-07-24 |
| 8030706 | Power semiconductor device | Miho Watanabe, Masaru Izumisawa, Hiroshi Ohta, Wataru Sekine, Wataru Saito +2 more | 2011-10-04 |
| 8013360 | Semiconductor device having a junction of P type pillar region and N type pillar region | Wataru Saito, Syotaro Ono, Masakatsu Takashita, Masaru Izumisawa, Hiroshi Ohta +1 more | 2011-09-06 |
| 7989910 | Semiconductor device including a resurf region with forward tapered teeth | Wataru Saito, Syotaro Ono, Masaru Izumisawa, Hiroshi Ohta, Wataru Sekine +1 more | 2011-08-02 |
| 7919824 | Semiconductor device and method of manufacturing the same | Syotaro Ono, Wataru Saito, Nana Hatano, Masaru Izumisawa, Hiroshi Ohta +2 more | 2011-04-05 |
| 7759732 | Power semiconductor device | Wataru Saito, Syotaro Ono, Masakatsu Takashita, 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, Masakatsu Takashita, Masaru Izumisawa, Hiroshi Ohta +1 more | 2010-06-15 |
| 7622757 | Semiconductor device having multiple wiring layers | Koichi Endo, Katsuyuki Adachi | 2009-11-24 |
| 7622771 | Semiconductor apparatus | Syotaro Ono, Wataru Saito, Masakatsu Takashita, Masaru Izumisawa, Hiroshi Ohta +1 more | 2009-11-24 |
| 7605426 | Power semiconductor device | Wataru Saito, Syotaro Ono, Masakatsu Takashita, Masaru Izumisawa, Hiroshi Ohta | 2009-10-20 |
| 7285824 | Semiconductor device having a lateral diode structure | Koichi Endo | 2007-10-23 |