Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978168 | D/A converter | Hideto Fukuda, Masao Kumagai, Osamu Kudo | 2011-07-12 |
| 7952234 | Power supply circuit, power supply control circuit and power supply control method | — | 2011-05-31 |
| 7903071 | Driver IC for display and display including same | Hideto Fukuda, Masao Kumagai, Osamu Kudo | 2011-03-08 |
| 7880537 | Operational amplifier, line driver, and liquid crystal display device | Toshihiko Kasai, Masatoshi Kokubun, Yoshihiro Kizaki | 2011-02-01 |
| 7580020 | Semiconductor device and liquid crystal panel driver device | Masao Kumagai, Masatoshi Kokubun, Hidekazu Nishizawa, Takeo Shigihara | 2009-08-25 |
| 7460097 | Semiconductor integrated circuit for driving liquid crystal panel | Seiji Yamagata, Masatoshi Kokubun | 2008-12-02 |
| 7358946 | Offset cancel circuit of voltage follower equipped with operational amplifier | Masatoshi Kokubun, Chikara Tsuchiya | 2008-04-15 |
| 7336124 | Operational amplifier, line driver, and liquid crystal display device | Toshihiko Kasai, Masatoshi Kokubun, Yoshihiro Kizaki | 2008-02-26 |
| 7268763 | Method for driving display and drive circuit for display | Hideto Fukuda, Masao Kumagai, Osamu Kudo | 2007-09-11 |
| 7242427 | X-Y address type solid-state image pickup device with an image averaging circuit disposed in the noise cancel circuit | Masatoshi Kokubun, Katsuyosi Yamamoto, Jun Funakoshi, Chikara Tsuchiya | 2007-07-10 |
| 7215312 | Semiconductor device, display device, and signal transmission system | Masao Kumagai | 2007-05-08 |
| 7180512 | Integrated circuit free from accumulation of duty ratio errors | Masao Kumagai, Hideto Fukuda | 2007-02-20 |
| 7098878 | Semiconductor device and liquid crystal panel driver device | Masao Kumagai, Masatoshi Kokubun, Hidekazu Nishizawa, Takeo Shigihara | 2006-08-29 |
| 7081792 | Operational amplifier, line driver, and liquid crystal display device | Toshihiko Kasai, Masatoshi Kokubun, Yoshihiro Kizaki | 2006-07-25 |
| 7079104 | Semiconductor device and liquid crystal panel display driver | Masao Kumagai | 2006-07-18 |
| 6946905 | Offset cancel circuit of voltage follower equipped with operational amplifier | Masatoshi Kokubun, Chikara Tsuchiya | 2005-09-20 |
| 6940338 | Semiconductor integrated circuit | Yoshihiro Kizaki, Osamu Kudo, Toshihiko Kasai | 2005-09-06 |
| 6914631 | Image sensor | Masatoshi Kokubun, Chikara Tsuchiya, Katsuyosi Yamamoto | 2005-07-05 |
| 6864869 | Data driver and display utilizing the same | Osamu Kudo | 2005-03-08 |
| 6864873 | Semiconductor integrated circuit for driving liquid crystal panel | Seiji Yamagata, Masatoshi Kokubun | 2005-03-08 |
| 6847346 | Semiconductor device equipped with transfer circuit for cascade connection | Masao Kumagai | 2005-01-25 |
| 6784866 | Dot-inversion data driver for liquid crystal display device | Masatoshi Kokubun | 2004-08-31 |
| 6747624 | Driving circuit for supplying tone voltages to liquid crystal display panel | Osamu Kudo | 2004-06-08 |
| 6608612 | Selector and multilayer interconnection with reduced occupied area on substrate | Masatoshi Kokubun | 2003-08-19 |
| 6586990 | Operational amplifier having offset cancel function | Masatoshi Kokubun | 2003-07-01 |