Assignee
YAMADA KOUHEI
JP7 patents
Top patents by PatentIndex Score
US9778291B2Oct 3, 2017
AC input voltage interruption detection method and circuit
YAMADA KOUHEI2 citations72
US8648624B2Feb 11, 2014
Voltage-to-current converter circuit
YAMADA KOUHEI5 citations72
US8878508B2Nov 4, 2014
DC-DC converter control circuit and control method
YAMADA KOUHEI2 citations62
US8823351B2Sep 2, 2014
Overvoltage threshold control system of DC to DC converter
YAMADA KOUHEI2 citations62
US8059437B2Nov 15, 2011
Integrated circuit and DC-DC converter formed by using the integrated circuit
YAMADA KOUHEI2 citations62
US9124254B2Sep 1, 2015
DC-DC converter control method and DC-DC converter control circuit
YAMADA KOUHEI0 citations51
US8471540B2Jun 25, 2013
DC-DC converter
YAMADA KOUHEI1 citations51