Inventor
OYAMA EITARO
JP5 patents
Patents
5 patentsUS6954056B2Oct 11, 2005
Switching power supply unit and controller IC thereof
ROHM CO LTD58 citations94
US6919713B2Jul 19, 2005
Switching power supply unit
ROHM CO LTD34 citations91
US6538907B2Mar 25, 2003
Voltage drop DC-DC converter
ROHM CO LTD28 citations91
US7755340B2Jul 13, 2010
Step-up switching regulator with soft start circuits
ROHM CO LTD8 citations82
US6275095B1Aug 14, 2001
Semiconductor amplifier circuit
ROHM CO LTD3 citations61