Inventor

HIRAKU KENJI

JP53 patents

⚠️ This page may combine multiple inventors who share the name “HIRAKU KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI CONSTRUCTION MACH CO

29 patents

US9845813B2Dec 19, 2017

Driving device for work machine and work machine equipped therewith

HITACHI CONSTRUCTION MACH CO25 citations93

US9938691B2Apr 10, 2018

Hydraulic system for work machine

HITACHI CONSTRUCTION MACH CO10 citations84

US9879405B2Jan 30, 2018

Hydraulic driving system

HITACHI CONSTRUCTION MACH CO7 citations83

US11118328B2Sep 14, 2021

Construction machine

HITACHI CONSTRUCTION MACH CO8 citations80

US9506480B2Nov 29, 2016

Apparatus for driving work machine

HITACHI CONSTRUCTION MACH CO10 citations76

US10907666B2Feb 2, 2021

Hydraulic drive system

HITACHI CONSTRUCTION MACH CO3 citations73

US10829908B2Nov 10, 2020

Construction machine

HITACHI CONSTRUCTION MACH CO4 citations73

US10947699B2Mar 16, 2021

Construction machine

HITACHI CONSTRUCTION MACH CO3 citations72

US10655740B2May 19, 2020

Work machine

HITACHI CONSTRUCTION MACH CO2 citations72

US10184225B2Jan 22, 2019

Working machine

HITACHI CONSTRUCTION MACH CO6 citations72

US9783960B2Oct 10, 2017

Driving device for work machine

HITACHI CONSTRUCTION MACH CO5 citations72

US9683588B2Jun 20, 2017

Hydraulic closed circuit system

HITACHI CONSTRUCTION MACH CO4 citations72

US11499296B2Nov 15, 2022

Construction machine

HITACHI CONSTRUCTION MACH CO4 citations71

US11111651B2Sep 7, 2021

Construction machine

HITACHI CONSTRUCTION MACH CO5 citations71

US10415215B2Sep 17, 2019

Drive system for construction machine

HITACHI CONSTRUCTION MACH CO6 citations71

US10914053B2Feb 9, 2021

Work machine

HITACHI CONSTRUCTION MACH CO2 citations70

US11319693B2May 3, 2022

Construction machine

HITACHI CONSTRUCTION MACH CO4 citations68

US10370824B2Aug 6, 2019

Work machine

HITACHI CONSTRUCTION MACH CO1 citations63

US11946224B2Apr 2, 2024

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations62

US10378185B2Aug 13, 2019

Work machine

HITACHI CONSTRUCTION MACH CO2 citations62

US10889964B2Jan 12, 2021

Drive system for construction machine

HITACHI CONSTRUCTION MACH CO1 citations61

US10858805B2Dec 8, 2020

Construction machine

HITACHI CONSTRUCTION MACH CO1 citations61

US12104349B2Oct 1, 2024

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations52

US12043983B2Jul 23, 2024

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations52

US12018458B2Jun 25, 2024

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations52

US12000118B2Jun 4, 2024

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations52

US11859367B2Jan 2, 2024

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations52

US11214941B2Jan 4, 2022

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations51

US11970838B2Apr 30, 2024

Construction machine

HITACHI CONSTRUCTION MACH CO0 citations50

HITACHI LTD

8 patents

US5884597AMar 23, 1999

Fuel feeding apparatus for internal combustion engine and vehicle using the fuel feeding apparatus

HITACHI LTD58 citations95

US6651630B2Nov 25, 2003

High pressure fuel pump

HITACHI LTD31 citations93

US6725837B2Apr 27, 2004

Fuel supply system

HITACHI LTD40 citations92

US6701898B2Mar 9, 2004

Fuel supply apparatus and method of control thereof

HITACHI LTD31 citations92

US6505608B2Jan 14, 2003

Fuel supply system

HITACHI LTD34 citations92

US7850255B2Dec 14, 2010

Electro-mechanical brake system and electro-mechanical brake apparatus used therefor

HITACHI LTD11 citations83

US5699693ADec 23, 1997

Widthwise compressing machine and method using vibrations to reduce material width

HITACHI LTD13 citations73

US7789642B2Sep 7, 2010

Gear pump and method of producing the same

HITACHI LTD2 citations60

HITACHI HIGH TECH CORP

4 patents

US7063785B2Jun 20, 2006

Pump for liquid chromatography

HITACHI HIGH TECH CORP67 citations98

US6923916B1Aug 2, 2005

Liquid chromatograph pump and control method therefor

HITACHI HIGH TECH CORP32 citations92

US7588423B2Sep 15, 2009

Pump for liquid chromatograph

HITACHI HIGH TECH CORP11 citations84

US7063513B2Jun 20, 2006

Liquid chromatograph pump with dual cylinders and dual plungers

HITACHI HIGH TECH CORP5 citations63

SETO SHINJI

3 patents

US8581527B2Nov 12, 2013

Mechanism for converting rotary motion into linear motion and lifting device

SETO SHINJI3 citations62

US8567279B2Oct 29, 2013

Mechanism for converting rotary motion into linear motion

SETO SHINJI4 citations62

US8885843B2Nov 11, 2014

Sound generator

SETO SHINJI2 citations58

HITACHI AUTOMOTIVE SYSTEMS LTD

2 patents

US10900435B2Jan 26, 2021

Drive unit of fuel injection device

HITACHI AUTOMOTIVE SYSTEMS LTD0 citations62

US10280862B2May 7, 2019

Drive unit of fuel injection device

HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52

KUSAKABE RYO

1 patent

US9593657B2Mar 14, 2017

Drive unit of fuel injection device

KUSAKABE RYO11 citations83

(unassigned)

1 patent

US6047684AApr 11, 2000

Gear pump and fuel transfer system using the gear pump

TOKUO KENICHIRO

1 patent

US9410543B2Aug 9, 2016

Pump for liquid chromatograph, and liquid chromatograph

TOKUO KENICHIRO6 citations70

OKAMOTO YOSHIO

1 patent

US8573088B2Nov 5, 2013

Mechanism for converting rotational motion to linear motion

OKAMOTO YOSHIO2 citations61

Showing the top 50 of 53 patents by PatentIndex Score.