Inventor

YOKOYAMA TAKAO

JP63 patents

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

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD

19 patents

US10145267B2Dec 4, 2018

Turbine housing

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD9 citations84

US10781704B2Sep 22, 2020

Turbine and turbocharge

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD2 citations73

US10746025B2Aug 18, 2020

Turbine wheel, radial turbine, and supercharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD4 citations73

US11512634B2Nov 29, 2022

Turbine rotor blade, turbocharger, and method for producing turbine rotor blade

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD2 citations72

US10519850B2Dec 31, 2019

Turbine housing and method of producing turbine housing

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD4 citations72

US10385765B2Aug 20, 2019

Variable geometry turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD4 citations68

US11092068B2Aug 17, 2021

Variable geometry turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD1 citations62

US10731467B2Aug 4, 2020

Turbine

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD1 citations62

US10634042B2Apr 28, 2020

Rotating machine and method for manufacturing casing for rotating machine

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD1 citations62

US10563515B2Feb 18, 2020

Turbine impeller and variable geometry turbine

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD1 citations62

US10443414B2Oct 15, 2019

Turbine casing, turbine, core for casting turbine casing, and method for producing turbine casing

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD1 citations62

US11187144B2Nov 30, 2021

Diffuser and turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations60

US10895226B2Jan 19, 2021

Turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD1 citations60

US10890105B2Jan 12, 2021

Exhaust gas turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD1 citations60

US12460562B2Nov 4, 2025

Mixed flow turbine and turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52

US11421535B2Aug 23, 2022

Turbine blade, turbocharger, and method of producing turbine blade

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52

US11230938B2Jan 25, 2022

Fixed vane turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52

US11022130B2Jun 1, 2021

Turbocharger

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52

US11002291B2May 11, 2021

Compressor impeller

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52

MITSUBISHI HEAVY IND LTD

12 patents

US7802429B2Sep 28, 2010

Exhaust turbo-supercharger

MITSUBISHI HEAVY IND LTD28 citations92

US6877955B2Apr 12, 2005

Mixed flow turbine and mixed flow turbine rotor blade

MITSUBISHI HEAVY IND LTD34 citations92

US10072513B2Sep 11, 2018

Radial turbine

MITSUBISHI HEAVY IND LTD7 citations84

US9810225B2Nov 7, 2017

Turbine for turbocharger and method for assembling turbocharger

MITSUBISHI HEAVY IND LTD7 citations84

US9777578B2Oct 3, 2017

Radial turbine blade

MITSUBISHI HEAVY IND LTD15 citations82

US10006297B2Jun 26, 2018

Turbine rotor blade

MITSUBISHI HEAVY IND LTD5 citations73

US9874222B2Jan 23, 2018

Scroll structure of turbine housing

MITSUBISHI HEAVY IND LTD4 citations73

US9587554B2Mar 7, 2017

Twin-scroll turbocharger

MITSUBISHI HEAVY IND LTD4 citations73

US10378369B2Aug 13, 2019

Turbine

MITSUBISHI HEAVY IND LTD2 citations71

US10006355B2Jun 26, 2018

Variable-geometry exhaust turbine

MITSUBISHI HEAVY IND LTD3 citations71

US10072523B2Sep 11, 2018

Sheet-metal turbine housing

MITSUBISHI HEAVY IND LTD1 citations52

US9790957B2Oct 17, 2017

Air intake duct structure for centrifugal fluid machine

MITSUBISHI HEAVY IND LTD1 citations52

YOKOYAMA TAKAO

6 patents

US9194292B2Nov 24, 2015

Turbine housing

YOKOYAMA TAKAO11 citations83

US8591177B2Nov 26, 2013

Structure of radial turbine scroll

YOKOYAMA TAKAO9 citations83

US8096777B2Jan 17, 2012

Mixed flow turbine or radial turbine

YOKOYAMA TAKAO16 citations83

US9011097B2Apr 21, 2015

Turbine wheel

YOKOYAMA TAKAO4 citations72

US9328738B2May 3, 2016

Turbine scroll part structure

YOKOYAMA TAKAO6 citations71

US9028202B2May 12, 2015

Variable geometry turbine

YOKOYAMA TAKAO2 citations62

IBIGAWA ELECTRIC IND CO LTD

3 patents

US4292276ASep 29, 1981

Apparatus for producing silicon carbide

IBIGAWA ELECTRIC IND CO LTD19 citations79

US4162167AJul 24, 1979

Process and an apparatus for producing silicon carbide consisting mainly of beta-type crystal

IBIGAWA ELECTRIC IND CO LTD21 citations79

US4390504AJun 28, 1983

Apparatus for producing silicon carbide consisting mainly of β-type crystal

IBIGAWA ELECTRIC IND CO LTD12 citations68

HITACHI LTD

2 patents

US4068188AJan 10, 1978

Phase locked loop circuit

HITACHI LTD15 citations74

US4136289AJan 23, 1979

Phase control circuit and oscillator circuit using it

HITACHI LTD2 citations58

MATSUSHITA GRAPHIC COMMUNIC

1 patent

US5337349AAug 9, 1994

Image telecommunication apparatus

MATSUSHITA GRAPHIC COMMUNIC28 citations88

MATSUO ATSUSHI

1 patent

US8226358B2Jul 24, 2012

Turbine and turbocharger having the same

MATSUO ATSUSHI9 citations84

HOSHI TORU

1 patent

US8733101B2May 27, 2014

Wastegate valve

HOSHI TORU8 citations82

YOSHIDA TOYOTAKA

1 patent

US9260971B2Feb 16, 2016

Turbine rotor

YOSHIDA TOYOTAKA6 citations71

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

US3976502AAug 24, 1976

Nickel-zinc alkaline storage battery

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations70

OSAKO KATSUYUKI

1 patent

US9039374B2May 26, 2015

Turbine rotor

OSAKO KATSUYUKI4 citations69

HAYASHI NORIYUKI

1 patent

US8833074B2Sep 16, 2014

Exhaust-bypass valve of turbocharger

HAYASHI NORIYUKI2 citations58

MACHIDA REIKO

1 patent

US8951395B2Feb 10, 2015

Biosensor

MACHIDA REIKO2 citations55

Showing the top 50 of 63 patents by PatentIndex Score.