Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10680091 | Semiconductor device | Yoshitaka Nagasato, Naotaka Iwata, Hiroyuki Sakaki | 2020-06-09 |
| 9653621 | Semiconductor apparatus | Hiroyuki Sakaki, Masato Ohmori | 2017-05-16 |
| 8830114 | Mobile object detecting apparatus | Tomoyoshi Yasue | 2014-09-09 |
| 7569914 | Semiconductor devices and method of manufacturing them | Shinya Yamazaki, Takahide Sugiyama | 2009-08-04 |
| 7507646 | Semiconductor devices and method of manufacturing them | Shinya Yamazaki, Takahide Sugiyama | 2009-03-24 |
| 7038275 | Buried-gate-type semiconductor device | — | 2006-05-02 |
| 6930353 | Field-effect-type semiconductor device | Katsuhiko Nishiwaki | 2005-08-16 |
| 6921941 | High withstand voltage field effect semiconductor device with a field dispersion region | Katsuhiko Nishiwaki, Sachiko Kawaji | 2005-07-26 |
| 6855983 | Semiconductor device having reduced on resistance | — | 2005-02-15 |
| 6774407 | Semiconductor device with a suppressed increase in turned-on resistance and an improved turn-off response | — | 2004-08-10 |
| 6518629 | Semiconductor device and process for producing the device | Katsuhiko Nishiwaki | 2003-02-11 |
| 6200868 | Insulated gate type semiconductor device and process for producing the device | Akira Mase | 2001-03-13 |
| 6034398 | Semiconductor device and manufacturing method of the same | — | 2000-03-07 |
| 5905294 | High rated voltage semiconductor device with floating diffusion regions | — | 1999-05-18 |
| 5750429 | Semiconductor device and manufacture method of the same | — | 1998-05-12 |
| 5559346 | Field-effect semiconductor device with increased breakdown voltage | — | 1996-09-24 |
| 4998149 | Static induction type semiconductor device | Hiroshi Tadano | 1991-03-05 |
| 4752818 | Semiconductor device with multiple recombination center layers | Hiroshi Tadano, Yoshio Nakamura | 1988-06-21 |