Inventor · disambiguated record
Hirotsugu Kawanaka
Also filed as: KAWANAKA HIROTSUGU
15 granted patents·13 pending applications·42 citations·filing 2004–2024
88Inventor score
Files withHITACHI LTD13HITACHI GE NUCLEAR ENERGY LTD4PROTERIAL LTD3KAWANAKA HIROTSUGU2MIYAGI MASANORI2
Top patents by PatentIndex Score
28 records- 0193US8901453B2Laser processing system and overlay welding methodMIYAGI MASANORI·Filed 2011·Granted Dec 2, 2014·22 cites·13 claims
- 0287US8735769B2Laser processing head and laser cladding methodMIYAGI MASANORI·Filed 2010·Granted May 27, 2014·8 cites·12 claims
- 0379US8512488B2Ni—Fe based forging superalloy excellent in high-temperature strength and high-temperature ductility, method of manufacturing the same, and steam turbine rotorIMANO SHINYA·Filed 2007·Granted Aug 20, 2013·3 cites·6 claims
- 0475US8481885B2Laser narrow groove welding apparatus and welding methodTSUKAMOTO TAKESHI·Filed 2010·Granted Jul 9, 2013·4 cites·8 claims
- 0572US12502727B2Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valveHITACHI GE NUCLEAR ENERGY LTD·Filed 2021·Granted Dec 23, 2025·0 cites·3 claims
- 0672US2024200679A1Fluid contact member and method of manufacturing fluid contact memberHITACHI GE NUCLEAR ENERGY LTD·Filed 2024·Application pending·0 cites
- 0771US7632066B2Pipe for steam turbine, manufacturing process of same, main stream pipe and reheat pipe for steam turbine, and steam turbine power plant using those pipesHITACHI LTD·Filed 2006·Granted Dec 15, 2009·1 cites·12 claims
- 0866US2019193195A1Corrosion and Wear Resistant Overlay, Method for Forming Corrosion and Wear Resistant Overlay, and Corrosion and Wear Resistant ValveHITACHI GE NUCLEAR ENERGY LTD·Filed 2018·Application pending·0 cites
- 0962US12459038B2Additive manufacturing methodHITACHI LTD·Filed 2021·Granted Nov 4, 2025·0 cites·7 claims
- 1061US2024335879A1Method for measuring deformation amount of deformation part of additively manufactured test object and method for determining optimum condition for additive manufacturingPROTERIAL LTD·Filed 2022·Application pending·0 cites
- 1160US11946554B2Fluid contact member and method of manufacturing fluid contact memberHITACHI GE NUCLEAR ENERGY LTD·Filed 2019·Granted Apr 2, 2024·0 cites·7 claims
- 1260US2009068052A1Heat resisting steel, gas turbine using the steel, and components thereofHITACHI LTD·Filed 2008·Application pending·0 cites
- 1359US11713496B2Powder material, powder material for additive manufacturing, and method for producing powder materialPROTERIAL LTD·Filed 2018·Granted Aug 1, 2023·0 cites·16 claims
- 1458US7459035B2Steam turbine rotor and steam turbine plantHITACHI LTD·Filed 2004·Granted Dec 2, 2008·2 cites·4 claims
- 1555US12036609B2Additive manufacturing condition search apparatus, additive manufacturing condition search method, and reference sampleHITACHI LTD·Filed 2021·Granted Jul 16, 2024·0 cites·7 claims
- 1654US2011126540A1High-strength heat resisting cast steel, method of producing the steel, and applications of the steelHITACHI LTD·Filed 2011·Application pending·0 cites
- 1753US11980964B2Member and method of manufacturing the samePROTERIAL LTD·Filed 2019·Granted May 14, 2024·0 cites·16 claims
- 1850US2025050586A1Additive manufacturing condition search device and additive manufacturing condition search methodHITACHI LTD·Filed 2022·Application pending·0 cites
- 1949US10267260B2Heat-resistant member provided with heat-shielding coating, and method for manufacturing sameHITACHI LTD·Filed 2015·Granted Apr 23, 2019·0 cites·10 claims
- 2049US8025746B2Turbine casingHITACHI LTD·Filed 2007·Granted Sep 27, 2011·0 cites·15 claims
- 2149US2007071599A1High-strength heat resisting cast steel, method of producing the steel, and applications of the steelARAI MASAHIKO·Filed 2006·Application pending·0 cites
- 2249US2005074356A1Heat resisting steel, gas turbine using the steel, and components thereofHITACHI LTD·Filed 2004·Application pending·0 cites
- 2343US7540711B2Heat resisting steel, steam turbine rotor shaft using the steel, steam turbine, and steam turbine power plantHITACHI LTD·Filed 2005·Granted Jun 2, 2009·2 cites·19 claims
- 2442US2011248001A1Metal deposition method and laser metal deposition apparatusKAWANAKA HIROTSUGU·Filed 2011·Application pending·0 cites
- 2541US2016121395A1Reactive powder, bonding material using reactive powder, bonded body bonded with bonding material and method for producing bonded bodyHITACHI LTD·Filed 2013·Application pending·0 cites
- 2640US2018369954A1Piston for internal combustion engine and method of manufacturing piston for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Application pending·0 cites
- 2739US2021101332A1Manufacturing system of additive manufacturing body and manufacturing method of additive manufacturing bodyHITACHI LTD·Filed 2019·Application pending·0 cites
- 2835US2010122754A1High-strength martensite heat resisting cast steel, method of producing the steel, and applications of the steelKAWANAKA HIROTSUGU·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hirotsugu Kawanaka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →