Inventor
YAMA MICHIAKI
JP9 patents
Patents
9 patentsUS6377109B1Apr 23, 2002
Load driver circuit
ROHM CO LTD23 citations91
US6958595B2Oct 25, 2005
Step-up/step-down DC-DC converter and portable device employing it
ROHM CO LTD26 citations89
US7675279B2Mar 9, 2010
Switching regulator soft start circuitry using a D/A converter
ROHM CO LTD9 citations82
US6121657ASep 19, 2000
Semiconductor integrated circuit device having gates arranged in a lattice
ROHM CO LTD16 citations82
US6194936B1Feb 27, 2001
Pulse generator provided with a duty-factor limiting function
ROHM CO LTD8 citations72
US5892353AApr 6, 1999
Power supply apparatus
ROHM CO LTD12 citations72
US7701684B2Apr 20, 2010
Power supply apparatus and power supply system including the same addressing abnormality
ROHM CO LTD2 citations62
US5696871ADec 9, 1997
DC motor control circuit
ROHM CO LTD2 citations61
USRE41791EOct 5, 2010
Pulse generator provided with a duty-factor limiting function
ROHM CO LTD0 citations50