Inventor · disambiguated record
Masaharu Ueda
Also filed as: UEDA MASAHARU
34 granted patents·9 pending applications·274 citations·filing 1994–2024
97Inventor score
Files withNIPPON STEEL CORP17NIPPON STEEL & SUMITOMO METAL CORP9UEDA MASAHARU6CANON KK2KARIMINE KENICHI2
Top patents by PatentIndex Score
43 records- 0195US5762723APearlitic steel rail having excellent wear resistance and method of producing the sameNIPPON STEEL CORP·Filed 1995·Granted Jun 9, 1998·46 cites·13 claims
- 0294US10047411B2RailNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Aug 14, 2018·3 cites·4 claims
- 0394US7972451B2Pearlitic steel rail excellent in wear resistance and ductility and method for producing sameNIPPON STEEL CORP·Filed 2007·Granted Jul 5, 2011·13 cites·15 claims
- 0492US8980019B2Steel rail and method of manufacturing the sameUEDA MASAHARU·Filed 2011·Granted Mar 17, 2015·8 cites·3 claims
- 0591US5382307AProcess for manufacturing high-strength bainitic steel rails with excellent rolling-contact fatigue resistanceNIPPON STEEL CORP·Filed 1994·Granted Jan 17, 1995·36 cites·10 claims
- 0690US10563357B2Rail and production method thereforNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Feb 18, 2020·3 cites·6 claims
- 0789US10233512B2Rail and production method thereforNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Mar 19, 2019·2 cites·6 claims
- 0889US8210019B2Method for producing pearlitic rail excellent in wear resistance and ductilityUEDA MASAHARU·Filed 2007·Granted Jul 3, 2012·9 cites·2 claims
- 0989US5658400ARails of pearlitic steel with high wear resistance and toughness and their manufacturing methodsNIPPON STEEL CORP·Filed 1994·Granted Aug 19, 1997·39 cites·12 claims
- 1087US9127409B2RailNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Sep 8, 2015·3 cites·6 claims
- 1185US6254696B1Bainitic type rail excellent in surface fatigue damage resistance and wear resistanceNIPPON STEEL CORP·Filed 1999·Granted Jul 3, 2001·31 cites·4 claims
- 1282US8469284B2Pearlitic rail with excellent wear resistance and toughnessUEDA MASAHARU·Filed 2010·Granted Jun 25, 2013·3 cites·6 claims
- 1381US8361246B2Pearlite railNIPPON STEEL CORP·Filed 2010·Granted Jan 29, 2013·3 cites·14 claims
- 1480US9534278B2RailNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Granted Jan 3, 2017·2 cites·4 claims
- 1580US8747576B2Pearlite-based high carbon steel rail having excellent ductility and process for production thereofMIYAZAKI TERUHISA·Filed 2010·Granted Jun 10, 2014·3 cites·16 claims
- 1679US10494704B2RailNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Dec 3, 2019·1 cites·2 claims
- 1773US5830286ASteel rail having excellent wear resistance and internal breakage resistance, and method of producing the sameNIPPON STEEL CORP·Filed 1996·Granted Nov 3, 1998·18 cites·4 claims
- 1868US8557064B2Method of cooling rail weld zone, and rail weld jointKARIMINE KENICHI·Filed 2010·Granted Oct 15, 2013·2 cites·12 claims
- 1967US12264373B2Rail and method of manufacturing railNIPPON STEEL CORP·Filed 2019·Granted Apr 1, 2025·0 cites·4 claims
- 2067US8307281B2Predicting conversion candidates based on the current context and the attributes of previously selected conversion candidatesUEDA MASAHARU·Filed 2009·Granted Nov 6, 2012·4 cites·6 claims
- 2166US10144983B2Method of reheating rail weld zoneKARIMINE KENICHI·Filed 2012·Granted Dec 4, 2018·2 cites·17 claims
- 2266US9552351B2Information processing system and information processing method for character input predictionOMRON TATEISI ELECTRONICS CO·Filed 2015·Granted Jan 24, 2017·2 cites·11 claims
- 2366USRE40263EPearlitic steel rail having excellent wear resistance and method of producing the sameNIPPON STEEL CORP·Filed 1996·Granted Apr 29, 2008·9 cites·22 claims
- 2465US10526674B2Stress-relief heat treatment apparatusNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jan 7, 2020·0 cites·4 claims
- 2563US12247358B2RailNIPPON STEEL CORP·Filed 2020·Granted Mar 11, 2025·0 cites·5 claims
- 2662US2025129460A1Welded railNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 2760USRE42668EPearlitic steel rail having excellent wear resistance and method of producing the sameNIPPON STEEL CORP·Filed 1995·Granted Sep 6, 2011·7 cites·27 claims
- 2857US2023193438A1Welded railNIPPON STEEL CORP·Filed 2021·Application pending·0 cites
- 2955US10544479B2Heat treatment device, heat treatment method, and rail steelNIPPON STEEL CORP·Filed 2015·Granted Jan 28, 2020·0 cites·16 claims
- 3055US2015211087A1Stress-relief heat treatment apparatusNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Application pending·0 cites
- 3154US6085874ARail-climbing elevator counterweight having flat machinesOTIS ELEVATOR CO·Filed 1998·Granted Jul 11, 2000·18 cites·10 claims
- 3254US2011155821A1Pearlite rail having superior abrasion resistance and excellent toughnessUEDA MASAHARU·Filed 2009·Application pending·0 cites
- 3353US2024424804A1Printing apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3452US10995396B2RailNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted May 4, 2021·0 cites·4 claims
- 3548US9289914B2Image forming apparatus and cutting deviceUEDA MASAHARU·Filed 2010·Granted Mar 22, 2016·0 cites·7 claims
- 3647USRE41033EPearlitic steel rail having excellent wear resistance and method of producing the sameNIPPN STEEL CORP·Filed 1995·Granted Dec 8, 2009·5 cites·24 claims
- 3746US7828917B2Rail manufacturing methodNIPPON STEEL CORP·Filed 2005·Granted Nov 9, 2010·0 cites·9 claims
- 3843US2007181231A1Method for producing high-carbon steel rails excellent in wear resistance and ductilityNIPPON STEEL CORP·Filed 2005·Application pending·0 cites
- 3942US2004187981A1Pealite base rail excellent in wear resistance and ductility and method for production thereofFiled 2003·Application pending·0 cites
- 4041US2019272089A1Character input device, character input method, and character input programOMRON TATEISI ELECTRONICS CO·Filed 2019·Application pending·0 cites
- 4139USRE42360EPearlitic steel rail having excellent wear resistance and method of producing the sameNIPPON STEEL CORP·Filed 1995·Granted May 17, 2011·2 cites·24 claims
- 4237US2011273510A1Printing apparatusCANON KK·Filed 2010·Application pending·0 cites
- 4335US8939547B2Recording apparatusKIDA AKIRA·Filed 2010·Granted Jan 27, 2015·0 cites·5 claims
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