Inventor

TAKAHASHI KIWAMU

JP66 patents

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

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD

24 patents

US10280592B2May 7, 2019

Hydraulic drive system for electrically-operated hydraulic work machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD8 citations83

US12241224B2Mar 4, 2025

Power-operated construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD3 citations73

US11939745B2Mar 26, 2024

Electrically driven construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations73

US11668074B2Jun 6, 2023

Electrically driven hydraulic construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD3 citations73

US10287751B2May 14, 2019

Hydraulic drive system for working machine including track device of crawler type

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD3 citations73

US10107311B2Oct 23, 2018

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations73

US10100495B2Oct 16, 2018

Hydraulic driving system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD7 citations73

US10060451B2Aug 28, 2018

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations73

US9963856B2May 8, 2018

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations73

US9845589B2Dec 19, 2017

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD6 citations73

US9828746B2Nov 28, 2017

Hydraulic driving system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD2 citations73

US11214940B2Jan 4, 2022

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD3 citations72

US10995474B2May 4, 2021

Construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD2 citations72

US10947702B2Mar 16, 2021

Hydraulic drive system for electrically driven hydraulic work machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations72

US10676898B2Jun 9, 2020

Hydraulic drive system of work machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD5 citations72

US9835180B2Dec 5, 2017

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD3 citations72

US9702379B2Jul 11, 2017

Hybrid working machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations72

US10215198B2Feb 26, 2019

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD4 citations71

US9976283B2May 22, 2018

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD6 citations71

US10697150B2Jun 30, 2020

Hydraulic drive system for electrically-driven hydraulic work machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD3 citations68

US12416135B2Sep 16, 2025

Electrically driven hydraulic work machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD1 citations64

US11454002B2Sep 27, 2022

Hydraulic drive system for work machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD1 citations62

US10655647B2May 19, 2020

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD1 citations62

US12018456B2Jun 25, 2024

Construction machine

HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD0 citations52

HITACHI CONSTRUCTION MACH CO

8 patents

US10329739B2Jun 25, 2019

Construction machine

HITACHI CONSTRUCTION MACH CO7 citations84

US10184228B2Jan 22, 2019

Hydraulic driving device of work machine

HITACHI CONSTRUCTION MACH CO8 citations84

US11377822B2Jul 5, 2022

Hydraulic drive apparatus

HITACHI CONSTRUCTION MACH CO4 citations73

US10995475B2May 4, 2021

Construction machine

HITACHI CONSTRUCTION MACH CO2 citations73

US10273658B2Apr 30, 2019

Construction machine

HITACHI CONSTRUCTION MACH CO2 citations73

US9890801B2Feb 13, 2018

Hydraulic drive system for construction machine

HITACHI CONSTRUCTION MACH CO7 citations73

US11149753B2Oct 19, 2021

Hydraulic energy recovery apparatus for working machine

HITACHI CONSTRUCTION MACH CO1 citations63

US11105070B2Aug 31, 2021

Hydraulic work machine

HITACHI CONSTRUCTION MACH CO1 citations62

SBI PHARMACEUTICALS CO LTD

5 patents

US9399029B2Jul 26, 2016

Immune tolerance inducer

SBI PHARMACEUTICALS CO LTD5 citations71

US11123320B2Sep 21, 2021

Prophylactic or therapeutic agent for hyperaciive bladder

SBI PHARMACEUTICALS CO LTD0 citations58

US9351949B2May 31, 2016

Prophylactic/therapeutic agent for influenza virus infection

SBI PHARMACEUTICALS CO LTD2 citations57

US9962350B2May 8, 2018

Agent for improving normal development rate of fertilized eggs

SBI PHARMACEUTICALS CO LTD0 citations52

US9469598B2Oct 18, 2016

Erythropoietin production-promoting agent

SBI PHARMACEUTICALS CO LTD0 citations52

HITACHI CONSTRUCTION MACHINERY

3 patents

US6651428B2Nov 25, 2003

Hydraulic drive device

HITACHI CONSTRUCTION MACHINERY13 citations83

US9080481B2Jul 14, 2015

Construction machine hydraulic drive system having exhaust gas purifying device

HITACHI CONSTRUCTION MACHINERY4 citations73

US6397591B1Jun 4, 2002

Hydraulic driving unit

HITACHI CONSTRUCTION MACHINERY10 citations72

MORI KAZUSHIGE

2 patents

US9518593B2Dec 13, 2016

Hydraulic drive system for construction machine

MORI KAZUSHIGE10 citations82

US9200431B2Dec 1, 2015

Hydraulic drive system for construction machine

MORI KAZUSHIGE10 citations82

TAKAHASHI KIWAMU

2 patents

US8857169B2Oct 14, 2014

Hydraulic drive system for construction machine

TAKAHASHI KIWAMU12 citations82

US8919109B2Dec 30, 2014

Hydraulic drive system for construction machine having exhaust gas purification device

TAKAHASHI KIWAMU3 citations60

TSURUGA YASUTAKA

2 patents

US9187880B2Nov 17, 2015

Electric drive unit for construction machine

TSURUGA YASUTAKA15 citations81

US9347203B2May 24, 2016

Electric drive unit for construction machine

TSURUGA YASUTAKA5 citations70

CHIBAZAKURA TAKU

1 patent

US9012502B2Apr 21, 2015

Cancer heat therapy-enhancing agent

CHIBAZAKURA TAKU15 citations77

RII KO

1 patent

US9314443B2Apr 19, 2016

Enhancer of survival of transplanted organ

RII KO4 citations69

YUASA HIDEYA

1 patent

US9757357B2Sep 12, 2017

Photodynamic therapy or diagnostic agent, using infrared-spectrum light

YUASA HIDEYA5 citations59

ABE YOSUKE

1 patent

US9485328B2Nov 1, 2016

Game control device, game program, game control method and game system

ABE YOSUKE2 citations55

Showing the top 50 of 66 patents by PatentIndex Score.