Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9760101 | Switching regulator control circuit | Hirofumi Fujiwara, Yasuhiro Kosaka | 2017-09-12 |
| 9093964 | Differential amplifier and control method for the same | — | 2015-07-28 |
| 8373695 | Apparatus and method for driving display panel including control of charge pump | Nobuyasu Doi | 2013-02-12 |
| 8310479 | Display panel drive apparatus and display panel drive method | — | 2012-11-13 |
| 8289081 | Differential amplifier, method for inverting output polarity of the same, and source driver | — | 2012-10-16 |
| 8198879 | Booster circuit and PWM signal generator | — | 2012-06-12 |
| 8143938 | Boost circuit and liquid crystal display device using boost circuit | — | 2012-03-27 |
| 7940113 | Fuse trimming circuit with higher reliability | — | 2011-05-10 |
| 7466187 | Booster circuit | — | 2008-12-16 |
| 7358794 | Power supply circuit | — | 2008-04-15 |
| 7236042 | Fuse trimming circuit | — | 2007-06-26 |
| 7177167 | Semiconductor device containing charge pump type step-up circuit featuring bipolar transistor for carrying out initial charging | — | 2007-02-13 |
| 7084697 | Charge pump circuit capable of completely cutting off parasitic transistors | — | 2006-08-01 |
| 6518804 | Semiconductor integrated circuit device | Hiroyuki Kitajima | 2003-02-11 |
| 6512342 | Brushless motor driving device | — | 2003-01-28 |
| 6433496 | Semiconductor integrated circuit for motor control | — | 2002-08-13 |
| 6043618 | Motor driving apparatus having back-gate-floating MOSFET for avoiding reverse current | — | 2000-03-28 |
| 5869865 | Lateral field effect transistor with minimum total on-resistance | — | 1999-02-09 |