Inventor
FUKUMOTO KENICHI
JP49 patents
⚠️ This page may combine multiple inventors who share the name “FUKUMOTO KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
44 patentsUS7466566B2Dec 16, 2008
DC-AC converter, controller IC therefor, and electronic apparatus utilizing such DC-AC converter
ROHM CO LTD175 citations99
US8044604B2Oct 25, 2011
Inverter
ROHM CO LTD990 citations98
US6927989B2Aug 9, 2005
DC-AC converter and controller IC for the same
ROHM CO LTD72 citations98
US7292463B2Nov 6, 2007
DC-AC converter and controller IC therefor
ROHM CO LTD14 citations92
US7099168B2Aug 29, 2006
DC-AC converter and controller IC therefor
ROHM CO LTD21 citations92
US7095632B2Aug 22, 2006
Dc/ac conversion device and ac power supply method
ROHM CO LTD22 citations92
US7095635B2Aug 22, 2006
Dc/ac converter and controller IC
ROHM CO LTD19 citations92
US6982889B2Jan 3, 2006
DC/AC converter and its controller IC
ROHM CO LTD31 citations92
US6982886B2Jan 3, 2006
Dc-ac converter parallel operation system and controller ic therefor
ROHM CO LTD30 citations92
US7248488B2Jul 24, 2007
DC-AC converter, and method for supplying AC power
ROHM CO LTD15 citations91
US7126831B2Oct 24, 2006
DC-AC converter, and method for supplying AC power
ROHM CO LTD15 citations91
US7046526B2May 16, 2006
DC-AC converter, and method for supplying AC power
ROHM CO LTD31 citations91
US7394671B2Jul 1, 2008
Controller IC, DC-AC conversion apparatus, and parallel running system of DC-AC conversion apparatuses
ROHM CO LTD16 citations90
US7944652B2May 17, 2011
Inverter with protection function
ROHM CO LTD14 citations84
US7599202B2Oct 6, 2009
DC-AC converter with feedback signal control circuit utilizing power supply voltage, controller IC therefor, and electronic apparatus utilizing the DC-AC converter
ROHM CO LTD10 citations84
US7492620B2Feb 17, 2009
DC-AC converter and controller IC thereof
ROHM CO LTD10 citations84
US7339802B2Mar 4, 2008
DC-AC converter and controller IC therefor
ROHM CO LTD9 citations84
US7236377B2Jun 26, 2007
DC-AC converter and controller IC therefor
ROHM CO LTD11 citations84
US7236375B2Jun 26, 2007
DC/AC converter and its controller IC
ROHM CO LTD13 citations84
US7323832B2Jan 29, 2008
Inverter with dimming function
ROHM CO LTD7 citations74
US7633769B2Dec 15, 2009
DC-AC converter, and method for supplying AC power
ROHM CO LTD5 citations72
US7948282B2May 24, 2011
Triangular-wave generating circuit, and inverter, light emitting device and liquid crystal television using the circuit
ROHM CO LTD4 citations63
US7589981B2Sep 15, 2009
DC-AC converter and method of supplying AC power
ROHM CO LTD2 citations63
US7554370B2Jun 30, 2009
Method and system for synchronizing phase of triangular signal
ROHM CO LTD2 citations63
US7525820B2Apr 28, 2009
Inverter
ROHM CO LTD5 citations63
US7362150B2Apr 22, 2008
Method and system for synchronizing phase of triangular signal
ROHM CO LTD4 citations63
US7233509B2Jun 19, 2007
Parallel operating system of DC-AC converters and controller IC therefor
ROHM CO LTD4 citations63
US7224196B2May 29, 2007
Method and system for synchronizing phase of triangular signal
ROHM CO LTD4 citations63
US7936137B2May 3, 2011
Inverter
ROHM CO LTD4 citations62
US7554823B2Jun 30, 2009
Controller IC, DC-AC conversion apparatus, and parallel running system of DC-AC conversion apparatuses
ROHM CO LTD4 citations60
US7622870B2Nov 24, 2009
Inverter apparatus
ROHM CO LTD2 citations55
US7920390B2Apr 5, 2011
DC-AC converter, controller IC therefor, and electronic apparatus utilizing such DC-AC converter
ROHM CO LTD1 citations52
US7835161B2Nov 16, 2010
DC-AC converter and method of supplying AC power
ROHM CO LTD0 citations52
US7778047B2Aug 17, 2010
Inverter
ROHM CO LTD1 citations52
US7724554B2May 25, 2010
DC-AC converter and controller IC thereof
ROHM CO LTD1 citations52
US7538536B2May 26, 2009
DC-AC converter and controller IC therefor
ROHM CO LTD0 citations52
US7471528B2Dec 30, 2008
Parallel operating system of DC-AC converters and controller IC therefor
ROHM CO LTD0 citations52
US7403401B2Jul 22, 2008
DC-AC converter and method of supplying AC power
ROHM CO LTD0 citations52
US7272022B2Sep 18, 2007
DC-AC converter and method of supplying AC power
ROHM CO LTD0 citations52
US10467967B2Nov 5, 2019
Driving circuit of LED for liquid crystal backlight, control circuit thereof, and electronic device
ROHM CO LTD0 citations50
US7859866B2Dec 28, 2010
Controller IC, DC-AC conversion apparatus, and parallel running system of DC-AC conversion apparatuses
ROHM CO LTD0 citations50
US8030850B2Oct 4, 2011
Fluorescent lamp driving apparatus with abnormality detection circuit
ROHM CO LTD0 citations42
US7859197B2Dec 28, 2010
Inverter using PWM method
ROHM CO LTD0 citations42
US10820385B2Oct 27, 2020
LED drive circuit, LED drive device, and LED drive system
ROHM CO LTD0 citations40