Inventor · disambiguated record
Michael Spahr
Also filed as: SPAHR MICHAEL · SPAHR MICHAEL E
21 granted patents·18 pending applications·124 citations·filing 1997–2023
93Inventor score
Files withIMERYS GRAPHITE & CARBON SWITZERLAND LTD12IMERTECH SAS5IMERYS GRAPHITE & CARBON SWITZERLAND SA4RAIN CARBON BV3TIMCAL AG3
Top patents by PatentIndex Score
39 records- 0188US10870761B2High-conductive carbon black with low viscosityIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2016·Granted Dec 22, 2020·5 cites·21 claims
- 0285US6210800B1Use and production of nanotubes containing a mixed valence venadiumEIDG TECH HOCHSCHULE ZURICH·Filed 1997·Granted Apr 3, 2001·61 cites·7 claims
- 0381US9997764B2Processes for treating graphite and graphite materialsIMERYS GRAPHITE & CARBON SWITZERLAND SA·Filed 2017·Granted Jun 12, 2018·1 cites·20 claims
- 0479US9196904B2Graphite materialSPAHR MICHAEL E·Filed 2010·Granted Nov 24, 2015·4 cites·29 claims
- 0577US10115493B2Surface-modified carbon hybrid particles, methods of making, and applications of the sameIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2018·Granted Oct 30, 2018·1 cites·20 claims
- 0676US9666854B2Graphite materialIMERYS GRAPHITE & CARBON SWITZERLAND SA·Filed 2015·Granted May 30, 2017·1 cites·20 claims
- 0775US7115221B1Method for producing graphite powder with an increased bulk densityTIMCAL AG·Filed 2000·Granted Oct 3, 2006·26 cites·40 claims
- 0875US6605266B2Use and process for production of nanotubesEIDG TECH HOCHSCHULE ZURICH·Filed 2001·Granted Aug 12, 2003·17 cites·16 claims
- 0974US9991016B2Surface-modified carbon hybrid particles, methods of making, and applications of the sameIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2013·Granted Jun 5, 2018·2 cites·20 claims
- 1072US9187612B2Ground expanded graphite agglomerates, methods of making, and applications of the sameGRIVEI EUSEBIU·Filed 2011·Granted Nov 17, 2015·3 cites·31 claims
- 1171US10707487B2Hydrophilic surface-modified carbonaceous particulate materialIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2015·Granted Jul 7, 2020·1 cites·17 claims
- 1268US12087936B2Compositions and uses thereofIMERYS GRAPHITE & CARBON SWITZERLAND SA·Filed 2021·Granted Sep 10, 2024·0 cites·16 claims
- 1366US12134561B2Surface-functionalized carbonaceous particles, methods of making, and applications of the sameIMERTECH SAS·Filed 2019·Granted Nov 5, 2024·0 cites·18 claims
- 1466US2025100884A1An improved carbon precursor materialRAIN CARBON BV·Filed 2023·Application pending·0 cites
- 1566US2025128948A1Improved particle coating methodRAIN CARBON BV·Filed 2023·Application pending·0 cites
- 1666US2025106958A1Improved thermoplastic carbon precursor material for application in coating, binding, and impregnation processes for the manufacturing of electrodes for steel and aluminum production and batteriesRAIN CARBON BV·Filed 2023·Application pending·0 cites
- 1765US2020227747A1Carbonaceous composite materials with snowball-like morphologyIMERTECH SAS·Filed 2020·Application pending·0 cites
- 1863US11814296B2Carbon-coated silicon oxide/graphite composite particles, methods of making, and applications of the sameIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2018·Granted Nov 14, 2023·1 cites·9 claims
- 1963US10637058B2Carbonaceous composite materials with snowball-like morphologyIMERTECH SAS·Filed 2016·Granted Apr 28, 2020·0 cites·20 claims
- 2061US11081690B2Compositions and uses thereofIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2017·Granted Aug 3, 2021·0 cites·14 claims
- 2160US2024182789A1Improved pitch product, process for its preparation and useRAIN CARBON BVBA·Filed 2022·Application pending·0 cites
- 2258US9548500B2Carbon supported catalystJOHNSON MATTHEY FUEL CELLS LTD·Filed 2012·Granted Jan 17, 2017·0 cites·32 claims
- 2357US2017098833A1Carbon supported catalystJOHNSON MATTHEY FUEL CELLS LTD·Filed 2016·Application pending·0 cites
- 2455US10305107B2Surface-modified low surface area graphite, processes for making it, and applications of the sameIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2013·Granted May 28, 2019·1 cites·17 claims
- 2555US2022384811A1Graphite compositions and uses in battery technologyIMERTECH SAS·Filed 2020·Application pending·0 cites
- 2655US2008191175A1Electrochemical cellTIMCAL AG·Filed 2007·Application pending·0 cites
- 2755US2025051647A1Improved carbonaceous coating material for battery electrode materialsRAIN CARBON BVBA·Filed 2022·Application pending·0 cites
- 2853US9527740B2Ground expanded graphite agglomerates, methods of making, and applications of the sameIMERYS GRAPHITE & CARBON SWITZERLAND SA·Filed 2015·Granted Dec 27, 2016·0 cites·30 claims
- 2948US2022090644A1Friction material comprising graphite, methods of making friction materials, and their usesIMERTECH SAS·Filed 2019·Application pending·0 cites
- 3047US2016049666A1CathodeJOHNSON MATTHEY PLC·Filed 2014·Application pending·0 cites
- 3145US2004151981A1Electrochemical cellFiled 2002·Application pending·0 cites
- 3244US11362324B2Compositions and their usesIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2017·Granted Jun 14, 2022·0 cites·17 claims
- 3344US2006286025A1Process for the production of graphite powders of increased bulk densityTIMCAL AG·Filed 2006·Application pending·0 cites
- 3441US9102539B2Process for the production and treatment of graphite powdersROTA FABIO·Filed 2009·Granted Aug 11, 2015·0 cites·17 claims
- 3539US2019330067A1Wet-milled and dried carbonaceous sheared nano-leavesIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2017·Application pending·0 cites
- 3639US2021171353A1Carbonaceous materials and methods of use thereofIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2017·Application pending·0 cites
- 3736US2019207206A1Compositions and uses thereofIMERYS GRAPHITE & CARBON SWITZERIAND LTD·Filed 2017·Application pending·0 cites
- 3836US2018072575A1Nanoparticle surface-modified carbonaceous material and methods for producing such materialIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2016·Application pending·0 cites
- 3935US2017033360A1Amorphous carbon coating of carbonaceous particles from dispersions including amphiphilic organic compoundsIMERYS GRAPHITE & CARBON SWITZERLAND LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →