Inventor
YASUKOUCHI KATSUYUKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “YASUKOUCHI KATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
9 patentsUS7250745B2Jul 31, 2007
Control circuit of DC-DC converter and its control method
FUJITSU LTD23 citations92
US7012411B2Mar 14, 2006
Switching regulator control circuit, switching regulator and switching regulator control method
FUJITSU LTD22 citations91
US4983905AJan 8, 1991
Constant voltage source circuit
FUJITSU LTD25 citations89
US6480069B2Nov 12, 2002
Active load circuit, and operational amplifier and comparator having the same
FUJITSU LTD10 citations72
US6741105B2May 25, 2004
Differential circuit and peak hold circuit including differential circuit
FUJITSU LTD8 citations71
US7352163B2Apr 1, 2008
Early effect cancelling circuit, differential amplifier, linear regulator, and early effect canceling method
FUJITSU LTD2 citations62
US6903609B2Jun 7, 2005
Operational amplifier
FUJITSU LTD3 citations59
US6806770B2Oct 19, 2004
Operational amplifier
FUJITSU LTD3 citations59
US7113041B2Sep 26, 2006
Operational amplifier
FUJITSU LTD1 citations48