YK

Yoshihiro Kizaki

Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
DE Denso: 1 patents #6,940 of 11,792Top 60%
FL Fijitsu Limited: 1 patents #2 of 65Top 4%
FL Fujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
Overall (All Time): #571,029 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9698680 Switching power device Hiroyuki Satake 2017-07-04
7880537 Operational amplifier, line driver, and liquid crystal display device Toshihiko Kasai, Shinya Udo, Masatoshi Kokubun 2011-02-01
7443147 DC-DC converter with step-up and step-down control capable of varying the offset voltage of the PWM triangle Toshihiko Kasai, Hidenobu Ito 2008-10-28
7352163 Early effect cancelling circuit, differential amplifier, linear regulator, and early effect canceling method Katsuyuki Yasukouchi, Hidenobu Ito 2008-04-01
7336124 Operational amplifier, line driver, and liquid crystal display device Toshihiko Kasai, Shinya Udo, Masatoshi Kokubun 2008-02-26
7081792 Operational amplifier, line driver, and liquid crystal display device Toshihiko Kasai, Shinya Udo, Masatoshi Kokubun 2006-07-25
6982596 Operational transconductance amplifier and AGC amplifier using the same Tomoyuki Kumeta 2006-01-03
6940338 Semiconductor integrated circuit Osamu Kudo, Shinya Udo, Toshihiko Kasai 2005-09-06
6608525 Operational transconductance amplifier and filter circuit 2003-08-19