Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11245393 | Driving method and drive circuit for semiconductor device | Sho Tanaka | 2022-02-08 |
| 9484444 | Semiconductor device with a resistance element in a trench | Koichi Mochizuki, Minoru Kawakami | 2016-11-01 |
| 9276094 | Semiconductor device | — | 2016-03-01 |
| 9041097 | Semiconductor device | — | 2015-05-26 |
| 8853737 | Semiconductor device | — | 2014-10-07 |
| 8847290 | Semiconductor device | Shinichi Ishizawa | 2014-09-30 |
| 8390069 | Semiconductor device | — | 2013-03-05 |
| 8373207 | Semiconductor device | Shinichi Ishizawa | 2013-02-12 |
| 8253163 | High voltage semiconductor device including a free wheel diode | Junji Yahiro, Yoshihiko Hirota | 2012-08-28 |
| 7800183 | Semiconductor device | Takahiro Okuno | 2010-09-21 |
| 7635892 | Semiconductor device | Norifumi Tokuda | 2009-12-22 |
| 7629226 | Semiconductor device and manufacturing method thereof | Norifumi Tokuda | 2009-12-08 |
| 7560771 | Insulated gate transistor | Katsumi Nakamura, Hideki Nakamura | 2009-07-14 |
| 7504707 | Semiconductor device and manufacturing method thereof | Norifumi Tokuda | 2009-03-17 |
| 7274953 | Portable telephone with reduced specific absorption rate and improved efficiency | Kazuhisa Takagi, Yuko Furukawa, Yuji Koyamashita, Sohji Tsuchiya | 2007-09-25 |
| 7250345 | Insulated gate transistor | Katsumi Nakamura, Hideki Nakamura | 2007-07-31 |
| 7115944 | Semiconductor device | Katsumi Nakamura, Hideki Nakamura | 2006-10-03 |
| 6963100 | Semiconductor device having gate electrode in which depletion layer can be generated | — | 2005-11-08 |
| 6953968 | High voltage withstanding semiconductor device | Katsumi Nakamura, Hideki Nakamura | 2005-10-11 |
| 6815767 | Insulated gate transistor | Katsumi Nakamura, Hideki Nakamura | 2004-11-09 |
| 6605830 | Power semiconductor device including an IGBT with a MOS transistor as a current suppressing device incorporated therein | — | 2003-08-12 |
| 6492676 | Semiconductor device having gate electrode in which depletion layer can be generated | — | 2002-12-10 |
| 6483133 | EEPROM with high channel hot carrier injection efficiency | Hidekazu Oda | 2002-11-19 |
| 6335549 | EEPROM with high channel hot carrier injection efficiency | Hidekazu Oda | 2002-01-01 |
| 6323509 | Power semiconductor device including a free wheeling diode and method of manufacturing for same | — | 2001-11-27 |