Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8541996 | Power control device, power supply device, and power control method | Hidenobu Ito | 2013-09-24 |
| 8233257 | Power supply circuit, overcurrent protection circuit for the same, and electronic device | Morihito Hasegawa, Hidenobu Ito, Kwok Fai Hui, Katsuyuki Yasukouchi | 2012-07-31 |
| 7880537 | Operational amplifier, line driver, and liquid crystal display device | Shinya Udo, Masatoshi Kokubun, Yoshihiro Kizaki | 2011-02-01 |
| 7696738 | Method and circuit for controlling DC-DC converter | Masatoshi Kokubun, Kenji Kato | 2010-04-13 |
| 7443147 | DC-DC converter with step-up and step-down control capable of varying the offset voltage of the PWM triangle | Yoshihiro Kizaki, Hidenobu Ito | 2008-10-28 |
| 7336124 | Operational amplifier, line driver, and liquid crystal display device | Shinya Udo, Masatoshi Kokubun, Yoshihiro Kizaki | 2008-02-26 |
| 7298117 | Step-up (boost) DC regulator with two-level back-bias switch gate voltage | Morihito Hasegawa, Hidekiyo Ozawa, Shoji Tajiri | 2007-11-20 |
| 7081792 | Operational amplifier, line driver, and liquid crystal display device | Shinya Udo, Masatoshi Kokubun, Yoshihiro Kizaki | 2006-07-25 |
| 7025702 | Differential | Masahiro Saito, Kunihiro Osawa | 2006-04-11 |
| 6940338 | Semiconductor integrated circuit | Yoshihiro Kizaki, Osamu Kudo, Shinya Udo | 2005-09-06 |