Inventor
YOSHII KOHJI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YOSHII KOHJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
11 patentsUS6236194B1May 22, 2001
Constant voltage power supply with normal and standby modes
RICOH KK122 citations96
US7148665B2Dec 12, 2006
Power supplying methods and apparatus that provide stable output voltage
RICOH KK22 citations92
US7002329B2Feb 21, 2006
Voltage regulator using two operational amplifiers in current consumption
RICOH KK29 citations92
US7215180B2May 8, 2007
Constant voltage circuit
RICOH KK20 citations91
US7368896B2May 6, 2008
Voltage regulator with plural error amplifiers
RICOH KK29 citations90
US7831851B2Nov 9, 2010
Switching regulator
RICOH KK11 citations83
US7541787B2Jun 2, 2009
Transistor drive circuit, constant voltage circuit, and method thereof using a plurality of error amplifying circuits to effectively drive a power transistor
RICOH KK8 citations83
US7209770B2Apr 24, 2007
Power supply IC having switching regulator and series regulator
RICOH KK12 citations83
USRE39374ENov 7, 2006
Constant voltage power supply with normal and standby modes
RICOH KK11 citations83
US7755395B2Jul 13, 2010
Inverter circuit
RICOH KK6 citations62
US7709899B2May 4, 2010
Semiconductor apparatus
RICOH KK0 citations49
RICOH CO LTD
3 patentsUS8004254B2Aug 23, 2011
Power supply circuit
RICOH CO LTD2 citations62
US7856253B2Dec 21, 2010
Power supply IC having switching regulator and series regulator
RICOH CO LTD0 citations51
US7948223B2May 24, 2011
Constant voltage circuit using plural error amplifiers to improve response speed
RICOH CO LTD0 citations50