Inventor
HAMAOGI MASAHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HAMAOGI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI COMP PERIPHERALS CO
9 patentsUS7840840B2Nov 23, 2010
DC backup power supply system, a disk array and a DC backup power supply
HITACHI COMP PERIPHERALS CO25 citations92
US7812575B2Oct 12, 2010
Bidirectional DC-DC converter and power supply apparatus with the same
HITACHI COMP PERIPHERALS CO22 citations92
US7589436B2Sep 15, 2009
Data processing unit and DC backup power supply
HITACHI COMP PERIPHERALS CO30 citations92
US7049711B2May 23, 2006
Uninterruptible power system
HITACHI COMP PERIPHERALS CO24 citations92
US7245469B2Jul 17, 2007
DC backup power supply device and method for diagnosing the same
HITACHI COMP PERIPHERALS CO27 citations91
US7406623B2Jul 29, 2008
DC backup power supply system and disk array using same
HITACHI COMP PERIPHERALS CO27 citations90
US7923980B2Apr 12, 2011
Digital controlled power supply
HITACHI COMP PERIPHERALS CO15 citations84
US7880440B2Feb 1, 2011
Switching power supply
HITACHI COMP PERIPHERALS CO8 citations84
US7705562B2Apr 27, 2010
Switching power supply unit and disk array system
HITACHI COMP PERIPHERALS CO15 citations83