Assignee
KOYO THERMO SYS CO LTD
JP·22 granted patents·3 pending applications·66 citations·filing 1999–2019
Top patents by PatentIndex Score
25 records- 0174US7003014B2Electric heater for thermal treatment furnaceKOYO THERMO SYS CO LTD·Filed 2002·Granted Feb 21, 2006·14 cites·5 claims
- 0273US7112248B2Vacuum carbo-nitriding methodKOYO THERMO SYS CO LTD·Filed 2001·Granted Sep 26, 2006·14 cites·3 claims
- 0371US11433481B2Induction heating coil and method for manufacturing induction heating coilKOYO THERMO SYS CO LTD·Filed 2019·Granted Sep 6, 2022·0 cites·8 claims
- 0468US7357843B2Vacuum heat treating method and apparatus thereforKOYO THERMO SYS CO LTD·Filed 2001·Granted Apr 15, 2008·9 cites·14 claims
- 0565US7027722B2Electric heater for a semiconductor processing apparatusKOYO THERMO SYS CO LTD·Filed 2002·Granted Apr 11, 2006·15 cites·8 claims
- 0663US10967461B2Induction heating coilKOYO THERMO SYS CO LTD·Filed 2018·Granted Apr 6, 2021·0 cites·8 claims
- 0760US6150643AInsulating material, electrical heating unit employing same, and manufacturing method thereforKOYO THERMO SYS CO LTD·Filed 1999·Granted Nov 21, 2000·8 cites·12 claims
- 0859US10376990B2Induction heating coilKOYO THERMO SYS CO LTD·Filed 2015·Granted Aug 13, 2019·0 cites·2 claims
- 0958US10384310B2Induction heating coilKOYO THERMO SYS CO LTD·Filed 2018·Granted Aug 20, 2019·0 cites·4 claims
- 1057US11317481B2Supporting structure for induction heating coil, and induction heating deviceKOYO THERMO SYS CO LTD·Filed 2017·Granted Apr 26, 2022·0 cites·6 claims
- 1157US10611115B2Tank cooling deviceKOYO THERMO SYS CO LTD·Filed 2015·Granted Apr 7, 2020·0 cites·5 claims
- 1252US10774397B2Heat treatment apparatusKOYO THERMO SYS CO LTD·Filed 2016·Granted Sep 15, 2020·0 cites·6 claims
- 1350US2020189981A1Method of manufacturing refractoryKOYO THERMO SYS CO LTD·Filed 2019·Application pending·0 cites
- 1449US2020080781A1Heat treatment apparatus and heat treatment methodKOYO THERMO SYS CO LTD·Filed 2019·Application pending·0 cites
- 1547US7416614B2Method of gas carburizingKOYO THERMO SYS CO LTD·Filed 2003·Granted Aug 26, 2008·2 cites·10 claims
- 1646US6767504B2Heat treatment furnaceKOYO THERMO SYS CO LTD·Filed 2002·Granted Jul 27, 2004·4 cites·2 claims
- 1743US11293071B2Heat treatment apparatusKOYO THERMO SYS CO LTD·Filed 2019·Granted Apr 5, 2022·0 cites·5 claims
- 1843US10866029B2Heat treatment apparatusKOYO THERMO SYS CO LTD·Filed 2016·Granted Dec 15, 2020·0 cites·2 claims
- 1943US7041273B2Apparatus and method of generating a carburizing atmosphereKOYO THERMO SYS CO LTD·Filed 2003·Granted May 9, 2006·0 cites·2 claims
- 2042US10365043B2Stirring fan for heat treatment apparatus, and heat treatment apparatus including the sameKOYO THERMO SYS CO LTD·Filed 2016·Granted Jul 30, 2019·0 cites·19 claims
- 2142US7833471B2Carburizing apparatus and carburizing methodKOYO THERMO SYS CO LTD·Filed 2004·Granted Nov 16, 2010·0 cites·3 claims
- 2242US2018252364A1Fluid supply deviceKOYO THERMO SYS CO LTD·Filed 2016·Application pending·0 cites
- 2340US7842230B2Continuous carburizing furnaceKOYO THERMO SYS CO LTD·Filed 2007·Granted Nov 30, 2010·0 cites·6 claims
- 2430US7811510B2Continuous carburizing furnaceKOYO THERMO SYS CO LTD·Filed 2007·Granted Oct 12, 2010·0 cites·5 claims
- 2529US7029540B2Method of gas carburizingKOYO THERMO SYS CO LTD·Filed 2004·Granted Apr 18, 2006·0 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →