Inventor · disambiguated record
Yoshinori Koyama
Also filed as: KOYAMA YOSHINORI
41 granted patents·18 pending applications·265 citations·filing 1996–2019
97Inventor score
Files withMITSUBISHI HITACHI POWER SYS21KOYAMA YOSHINORI9MITSUBISHI HEAVY IND LTD9MITSUBISHI HITACHI POWER SYS LTD4HONDA MOTOR CO LTD2
Top patents by PatentIndex Score
59 records- 0190US9731240B2Method for backwashing filterKOYAMA YOSHINORI·Filed 2013·Granted Aug 15, 2017·5 cites·2 claims
- 0287US9487715B2Coal gasifierMITSUBISHI HITACHI POWER SYS·Filed 2015·Granted Nov 8, 2016·3 cites·2 claims
- 0387US5847889AReflecting mirror for airplaneKOMY KOGEI CO LTD·Filed 1997·Granted Dec 8, 1998·125 cites·20 claims
- 0486US10246653B2Powder transport device and char recovery deviceMITSUBISHI HITACHI POWER SYS·Filed 2015·Granted Apr 2, 2019·4 cites·4 claims
- 0585US7896956B2Method for regenerating filter and apparatus thereofMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Mar 1, 2011·24 cites·14 claims
- 0682US9446913B2Powder conveyance device and char recovery apparatusMITSUBISHI HEAVY IND LTD·Filed 2013·Granted Sep 20, 2016·3 cites·7 claims
- 0782US8783405B2Saddle-type electric vehicleIRIE TAKAFUMI·Filed 2011·Granted Jul 22, 2014·19 cites·19 claims
- 0881US9199806B2Bin system and char recovery unitKOYAMA YOSHINORI·Filed 2011·Granted Dec 1, 2015·4 cites·14 claims
- 0980US11002640B2Device abnormality diagnosis method and device abnormality diagnosis deviceMITSUBISHI HITACHI POWER SYS·Filed 2016·Granted May 11, 2021·3 cites·8 claims
- 1079US9540577B2Mercury removal system, gasification system, gasification combined power generation system and mercury removal methodMITSUBISHI HITACHI POWER SYS·Filed 2014·Granted Jan 10, 2017·2 cites·28 claims
- 1176US10745632B2Slag discharge system and gasifierMITSUBISHI HITACHI POWER SYS·Filed 2016·Granted Aug 18, 2020·1 cites·6 claims
- 1276US8673066B2Dust-removing methodKOYAMA YOSHINORI·Filed 2010·Granted Mar 18, 2014·4 cites·7 claims
- 1374US6990943B2Cylinder block of an engineYANMAR CO LTD·Filed 2003·Granted Jan 31, 2006·14 cites·19 claims
- 1473US10697714B2Multiple tube-type heat exchanger and heat transfer tube cleaning method for sameMITSUBISHI HITACHI POWER SYS·Filed 2016·Granted Jun 30, 2020·1 cites·3 claims
- 1571US11292976B2Slag discharge system, gasifier, and slag filtration methodMITSUBISHI HITACHI POWER SYS LTD·Filed 2017·Granted Apr 5, 2022·1 cites·13 claims
- 1669US8667912B2Burner for highly caking coal, and gasifierKOYAMA YOSHINORI·Filed 2008·Granted Mar 11, 2014·7 cites·10 claims
- 1769US5997595ABurner and a fuel etc. supply methodMITSUBISHI HEAVY IND LTD·Filed 1996·Granted Dec 7, 1999·24 cites·13 claims
- 1868US8997665B2Slag-melting burner apparatusHAMASAKI SHINYA·Filed 2009·Granted Apr 7, 2015·4 cites·9 claims
- 1967US9388349B2Char recovery system and char feeding hopperKOYAMA YOSHINORI·Filed 2012·Granted Jul 12, 2016·1 cites·5 claims
- 2067US8615981B2Integrated coal gasification combined cycle facilityYAMAMOTO TAKASHI·Filed 2008·Granted Dec 31, 2013·1 cites·8 claims
- 2166US10527371B2Heat exchanger monitoring device that determines the presence or absence of an anomaly of a heat transfer surface of a heat transfer tubeMITSUBISHI HITACHI POWER SYS·Filed 2015·Granted Jan 7, 2020·1 cites·3 claims
- 2265US10717594B2Pressurizing system for powder supply hopper, gasification facility, integrated gasification combined cycle facility, and method for pressurizing powder supply hopperMITSUBISHI HITACHI POWER SYS·Filed 2017·Granted Jul 21, 2020·2 cites·10 claims
- 2363US2011116979A1Coal gasifierMITSUBISHI HEAVY IND LTD·Filed 2009·Application pending·0 cites
- 2462US7780143B2Gate valveMITSUBISHI HEAVY IND LTD·Filed 2007·Granted Aug 24, 2010·4 cites·6 claims
- 2560US7803216B2Pressurized high-temperature gas coolerMITSUBISHI HEAVY IND LTD·Filed 2006·Granted Sep 28, 2010·3 cites·12 claims
- 2660US2016257895A1Slag discharge apparatus and slag discharge methodMITSUBISHI HITACHI POWER SYS·Filed 2014·Application pending·0 cites
- 2759US10131395B2Tank cover structure for motorcycleHONDA MOTOR CO LTD·Filed 2013·Granted Nov 20, 2018·2 cites·18 claims
- 2857US8851557B2Saddle-ride type vehicleHONDA MOTOR CO LTD·Filed 2013·Granted Oct 7, 2014·1 cites·14 claims
- 2956US2011154788A1Apparatus for backwashing filterMITSUBISHI HEAVY IND LTD·Filed 2009·Application pending·0 cites
- 3053US8607716B2Burner for highly caking coal, and gasifierKOYAMA YOSHINORI·Filed 2008·Granted Dec 17, 2013·0 cites·6 claims
- 3152US2017342337A1Slag discharge apparatus and slag discharge methodMITSUBISHI HITACHI POWER SYS·Filed 2015·Application pending·0 cites
- 3251US8561408B2Hydrogen production system and power generation systemTSUTSUMI TAKANORI·Filed 2009·Granted Oct 22, 2013·0 cites·13 claims
- 3349US10746105B2Control device and control method using fuel supply acceleration command valueMITSUBISHI HITACHI POWER SYS·Filed 2014·Granted Aug 18, 2020·0 cites·3 claims
- 3449US10465134B2Char recycling system and char conveyance methodMITSUBISHI HITACHI POWER SYS·Filed 2014·Granted Nov 5, 2019·0 cites·4 claims
- 3548US11286437B2Slag discharge device, gasifier furnace and integrated gasification combined cycle, and slag discharge methodMITSUBISHI HITACHI POWER SYS LTD·Filed 2019·Granted Mar 29, 2022·0 cites·6 claims
- 3648US2012006025A1Thermal power plant using low-grade coal as fuelKOYAMA YOSHINORI·Filed 2009·Application pending·0 cites
- 3747US11384933B2Burner device, cooling pipe breakage detection method of burner device, and refrigerant control method of burner deviceMITSUBISHI HITACHI POWER SYS LTD·Filed 2017·Granted Jul 12, 2022·0 cites·8 claims
- 3847US2015159096A1Fuel gasification system, control method and control program therefor, and fuel gasification combined power generation system provided with fuel gasification systemMITSUBISHI HEAVY IND LTD·Filed 2012·Application pending·0 cites
- 3946US11103823B2Filter backwashing unit, char recovery unit, method of filter backwashing, and integrated gasification combined cycleMITSUBISHI HITACHI POWER SYS LTD·Filed 2016·Granted Aug 31, 2021·0 cites·2 claims
- 4046US10233401B2Char feeding hopper, char recovery system, and coal gasification combined power generation systemMITSUBISHI HITACHI POWER SYS·Filed 2014·Granted Mar 19, 2019·0 cites·3 claims
- 4145US10669494B2Slag discharge system, gasifier provided with same, and method for operating slag discharge systemMITSUBISHI HITACHI POWER SYS·Filed 2017·Granted Jun 2, 2020·0 cites·22 claims
- 4244US2020001310A1Cyclone integrated type storage device, integrated gasification combined cycle, and method for separating particlesMITSUBISHI HITACHI POWER SYS·Filed 2018·Application pending·0 cites
- 4344US2013247465A1Hydrocarbon feedstock gasifierKOYAMA YOSHINORI·Filed 2012·Application pending·0 cites
- 4444US2006141414A1Gas combustion treatment method and apparatus thereforRYOEN TECHNICAL SERVICE CORP·Filed 2006·Application pending·0 cites
- 4543US10962223B2Soot blowerMITSUBISHI HITACHI POWER SYS·Filed 2017·Granted Mar 30, 2021·0 cites·8 claims
- 4643US2021215334A1Burner, gasification furnace provided with burner, and burner attaching methodMITSUBISHI HITACHI POWER SYS·Filed 2018·Application pending·0 cites
- 4741US2019030543A1Slag crusherMITSUBISHI HITACHI POWER SYS·Filed 2016·Application pending·0 cites
- 4840US8601817B2Hydrogen production apparatus and power generation plantTSUTSUMI TAKANORI·Filed 2010·Granted Dec 10, 2013·0 cites·4 claims
- 4940US7005115B2Gas combustion treatment method and apparatus thereforRYOEN TECHNICAL SERVICE CORP·Filed 2002·Granted Feb 28, 2006·2 cites·6 claims
- 5038US2017183585A1Gasification unit, integrated gasification combined cycle facility, and method for starting gasification unitMITSUBISHI HITACHI POWER SYS·Filed 2015·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →