Inventor
NAKAGAWA MASANORI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOKUSAN DENKI CO
20 patentsUS6278622B1Aug 21, 2001
Electric power source apparatus including electric power converter circuit and method for controlling the same
KOKUSAN DENKI CO52 citations96
US6278194B1Aug 21, 2001
Stator generator for an internal combustion engine
KOKUSAN DENKI CO66 citations96
US6049194AApr 11, 2000
Generating apparatus including magneto acting as power supply
KOKUSAN DENKI CO49 citations93
US7081738B2Jul 25, 2006
Generating device having magneto generator
KOKUSAN DENKI CO27 citations92
US6940259B2Sep 6, 2005
Generating device including magneto generator
KOKUSAN DENKI CO32 citations92
US6787931B2Sep 7, 2004
Starter generator for internal combustion engine
KOKUSAN DENKI CO42 citations92
US6570779B2May 27, 2003
Pulse with modulation inverter generation using a correction co-efficient and a reference to the ratio to obtain a real duty ratio
KOKUSAN DENKI CO23 citations92
US6556457B1Apr 29, 2003
Method of controlling inverter power generation apparatus
KOKUSAN DENKI CO26 citations92
US6392311B2May 21, 2002
Starter generator for internal combustion engine
KOKUSAN DENKI CO40 citations92
US7245036B2Jul 17, 2007
Inverter controlled generator set
KOKUSAN DENKI CO16 citations91
US7157885B2Jan 2, 2007
Inverter controlled generator set and method for controlling the same
KOKUSAN DENKI CO22 citations91
US8027180B2Sep 27, 2011
Power generating apparatus
KOKUSAN DENKI CO18 citations84
US7683587B2Mar 23, 2010
Generation device
KOKUSAN DENKI CO12 citations84
US6317339B1Nov 13, 2001
Method of controlling electric power supply apparatus with electric power converter circuit
KOKUSAN DENKI CO17 citations83
US6820576B2Nov 23, 2004
Vehicle driven by internal combustion engine having generator
KOKUSAN DENKI CO7 citations74
US6373729B1Apr 16, 2002
Electric power source apparatus including electric power converter circuit and method for controlling the same
KOKUSAN DENKI CO12 citations73
US7256507B2Aug 14, 2007
Inverter controlled generator set
KOKUSAN DENKI CO6 citations72
US7123495B2Oct 17, 2006
Inverter controlled generator set
KOKUSAN DENKI CO10 citations72
US7091812B2Aug 15, 2006
Inverter unit
KOKUSAN DENKI CO1 citations51
US7638917B2Dec 29, 2009
Electrical rotating machine
KOKUSAN DENKI CO0 citations50
HOYA CORP
9 patentsUS11650494B2May 16, 2023
Substrate with a multilayer reflective film, reflective mask blank, reflective mask, and semiconductor device manufacturing method
HOYA CORP2 citations72
US11256167B2Feb 22, 2022
Substrate with a multilayer reflective film, reflective mask blank, reflective mask, and semiconductor device manufacturing method
HOYA CORP2 citations72
US12572065B2Mar 10, 2026
Substrate with conductive film, reflective mask blank, reflective mask, and method for manufacturing semiconductor device
HOYA CORP0 citations63
US12313968B2May 27, 2025
Reflective mask blank, reflective mask, and method for manufacturing semiconductor device
HOYA CORP0 citations63
US12072619B2Aug 27, 2024
Reflective mask blank, reflective mask, and method for manufacturing reflective mask and semiconductor device
HOYA CORP0 citations63
US12019366B2Jun 25, 2024
Reflective mask blank, reflective mask, and method for manufacturing reflective mask and semiconductor device
HOYA CORP0 citations63
US11561463B2Jan 24, 2023
Substrate with conductive film, substrate with multilayer reflective film, reflective mask blank, reflective mask, and semiconductor device manufacturing method
HOYA CORP0 citations63
US12591173B2Mar 31, 2026
Substrate with multilayer reflective film, reflective mask blank, reflective mask, and method for manufacturing semiconductor device
HOYA CORP0 citations62
US12346017B2Jul 1, 2025
Substrate with multilayer reflective film, reflective mask blank, reflective mask, and method for manufacturing semiconductor device
HOYA CORP0 citations62