Inventor
OKA KOJI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “OKA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS7372002B2May 13, 2008
Fluid heating device and cleaning device using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD68 citations97
US6407571B1Jun 18, 2002
Voltage detecting circuit for a power system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD85 citations96
US7019676B2Mar 28, 2006
D/A converter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6310492B1Oct 30, 2001
CMOS semiconductor integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US6734817B2May 11, 2004
A/D converter, method of A/D conversion, and signal processing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations89
US6700524B2Mar 2, 2004
A/D converter for performing pipeline processing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations83
US6498528B2Dec 24, 2002
Reference voltage generation circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations83
US6806764B2Oct 19, 2004
Reference voltage generation circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations73
US6492849B2Dec 10, 2002
Supply voltage detection circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US7042278B2May 9, 2006
Voltage reference circuit with reduced power consumption
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
PANASONIC CORP
7 patentsUS7920779B2Apr 5, 2011
Heat exchanger and washing apparatus comprising the same
PANASONIC CORP17 citations91
US7940121B2May 10, 2011
Operational amplifier and pipeline AD converter
PANASONIC CORP4 citations61
US7649487B2Jan 19, 2010
A/D converter and A/D conversion method
PANASONIC CORP2 citations61
US8004446B2Aug 23, 2011
A/D converter and A/D conversion method
PANASONIC CORP2 citations59
US7609194B2Oct 27, 2009
Clock signal generating device and analog-digital conversion device
PANASONIC CORP4 citations59
US7884750B2Feb 8, 2011
A/D converter and A/D conversion method
PANASONIC CORP0 citations51
US7834701B2Nov 16, 2010
Bias circuit and semiconductor integrated circuit including the bias circuit
PANASONIC CORP0 citations41
OKA KOJI
5 patentsUS8745609B2Jun 3, 2014
Imaging system
OKA KOJI9 citations83
US10460088B2Oct 29, 2019
Electronic device and connection method
OKA KOJI4 citations72
US10462371B2Oct 29, 2019
Imaging apparatus and imaging method for comparing a template image with a monitoring image
OKA KOJI2 citations72
US10122957B2Nov 6, 2018
Imaging apparatus
OKA KOJI0 citations40
US8478885B2Jul 2, 2013
Image photographic apparatus
OKA KOJI0 citations40