Inventor
UMEKI NOBUAKI
JP11 patents
Patents
11 patentsUS5998967ADec 7, 1999
Lithium-ion battery pack
ROHM CO LTD156 citations98
US7002330B2Feb 21, 2006
Switching regulator
ROHM CO LTD28 citations89
US7994769B2Aug 9, 2011
Switching regulator and control circuit thereof
ROHM CO LTD17 citations83
US5986865ANov 16, 1999
Battery protection device and a battery device employing such a battery protection device
ROHM CO LTD18 citations83
US8368475B2Feb 5, 2013
Oscillator circuit
ROHM CO LTD10 citations82
US7453287B2Nov 18, 2008
Switching power-supply circuit and semiconductor integrated circuit
ROHM CO LTD13 citations82
US7977124B2Jul 12, 2011
Semiconductor device and method of designing the same
ROHM CO LTD2 citations61
US7196553B2Mar 27, 2007
Sensor signal detection device
ROHM CO LTD2 citations61
US7026844B2Apr 11, 2006
Sensor signal detection device
ROHM CO LTD3 citations61
US8044396B2Oct 25, 2011
Semiconductor device and method of designing the same
ROHM CO LTD0 citations51
US7173326B2Feb 6, 2007
Semiconductor integrated device
ROHM CO LTD1 citations48