Inventor
OYAMA KATSUYA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “OYAMA KATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS6373671B1Apr 16, 2002
Apparatus with an over-current shutdown means and an over-temperature shutdown means
HITACHI LTD66 citations95
US7456603B2Nov 25, 2008
Phase detection circuit, resolver/digital converter using the circuit, and control system using the converter
HITACHI LTD28 citations92
US7263416B2Aug 28, 2007
Electrical control unit for an automobile
HITACHI LTD41 citations92
US7009535B2Mar 7, 2006
Resolver/digital converter and control apparatus using the same
HITACHI LTD25 citations92
US6972700B2Dec 6, 2005
Resolver/digital converter and control apparatus using the same
HITACHI LTD27 citations92
US6880530B2Apr 19, 2005
Fuel supply system
HITACHI LTD22 citations92
US7057378B2Jun 6, 2006
Power supply unit
HITACHI LTD17 citations84
US6684862B2Feb 3, 2004
Controller for internal combustion engine having fuel injection system
HITACHI LTD19 citations84
US7480549B2Jan 20, 2009
Electrical control unit for an automobile
HITACHI LTD6 citations74
US6029630AFeb 29, 2000
Engine control device having an arrangement for limiting interrupt processing
HITACHI LTD10 citations74
US7423403B2Sep 9, 2008
Motor control system
HITACHI LTD5 citations63
US7146265B2Dec 5, 2006
Control device with time measuring function
HITACHI LTD3 citations63
US7680228B2Mar 16, 2010
Communication system, real-time control device, and information processing system
HITACHI LTD5 citations62
US7969229B2Jun 28, 2011
On-chip redundancy high-reliable system and method of controlling the same
HITACHI LTD1 citations52
HITACHI AUTOMOTIVE SYSTEMS LTD
4 patentsUS9719481B2Aug 1, 2017
Control device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10002699B2Jun 19, 2018
Electromagnetic coil driving control device
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations72
US11079730B2Aug 3, 2021
Control device comprising a processor and an IC
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62
US10197037B2Feb 5, 2019
Control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52