Inventor
HAGIHARA RYUZO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “HAGIHARA RYUZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
9 patentsUS6175512B1Jan 16, 2001
Device for operating inverter and power system
SANYO ELECTRIC CO201 citations97
US5951785ASep 14, 1999
Photo-voltaic apparatus
SANYO ELECTRIC CO179 citations97
US6252785B1Jun 26, 2001
Device for operating inverter and power system
SANYO ELECTRIC CO36 citations91
US6737761B2May 18, 2004
Power load control system
SANYO ELECTRIC CO14 citations81
US9647493B2May 9, 2017
Control device and power distribution system
SANYO ELECTRIC CO2 citations73
US7745956B2Jun 29, 2010
Grid interconnection device, grid interconnection system and transfer trip system
SANYO ELECTRIC CO7 citations72
US6717982B1Apr 6, 2004
Data communication apparatus
SANYO ELECTRIC CO6 citations60
US9692257B2Jun 27, 2017
Control device, conversion device, control method, and electricity distribution system
SANYO ELECTRIC CO0 citations41
US7236959B2Jun 26, 2007
Method for collectively receiving at high voltage and distributing at low voltage, and collective housing using same
SANYO ELECTRIC CO0 citations39
NAKASHIMA TAKESHI
3 patentsUS8587251B2Nov 19, 2013
Switching circuit, control apparatus, and power generation system
NAKASHIMA TAKESHI16 citations82
US9024585B2May 5, 2015
Battery parallel-operation circuit and battery system
NAKASHIMA TAKESHI11 citations79
US8527110B2Sep 3, 2013
Charge/discharge control device and power generation system
NAKASHIMA TAKESHI2 citations61