Assignee
TOYO KOHAN CO LTD
JP·216 granted patents·67 pending applications·1,837 citations·filing 1974–2025
Top patents by PatentIndex Score
283 records- 0197US11699824B2Nickel-plated, heat-treated steel sheet for battery cansTOYO KOHAN CO LTD·Filed 2020·Granted Jul 11, 2023·4 cites·7 claims
- 0295US10873061B2Nickel-plated, heat-treated steel sheet for battery cansTOYO KOHAN CO LTD·Filed 2016·Granted Dec 22, 2020·5 cites·6 claims
- 0395US4729789AProcess of manufacturing an extruder screw for injection molding machines or extrusion machines and product thereofTOYO KOHAN CO LTD·Filed 1987·Granted Mar 8, 1988·68 cites·20 claims
- 0494US10950828B2Surface-treated steel sheet for battery containersTOYO KOHAN CO LTD·Filed 2016·Granted Mar 16, 2021·5 cites·8 claims
- 0593US11196114B2Surface-treated steel plate for cell containerTOYO KOHAN CO LTD·Filed 2016·Granted Dec 7, 2021·7 cites·5 claims
- 0691US12199294B2Surface-treated steel sheet for cell containerTOYO KOHAN CO LTD·Filed 2023·Granted Jan 14, 2025·0 cites·3 claims
- 0791US10665825B2Surface-treated steel sheet for battery containers, battery container, and batteryTOYO KOHAN CO LTD·Filed 2018·Granted May 26, 2020·3 cites·9 claims
- 0889US12199293B2Surface-treated steel sheet for cell containerTOYO KOHAN CO LTD·Filed 2023·Granted Jan 14, 2025·0 cites·2 claims
- 0989US4194900AHard alloyed powder and method of making the sameTOYO KOHAN CO LTD·Filed 1978·Granted Mar 25, 1980·38 cites·4 claims
- 1089US3999952ASintered hard alloy of multiple boride containing ironTOYO KOHAN CO LTD·Filed 1975·Granted Dec 28, 1976·38 cites·4 claims
- 1187US12049060B2Multilayered polyester resin-coated metal sheet, multilayered polyester resin film, and can lidTOYO KOHAN CO LTD·Filed 2021·Granted Jul 30, 2024·2 cites·13 claims
- 1287US10748678B2Substrate for superconducting wire, production method therefor, and superconducting wireTOYO KOHAN CO LTD·Filed 2015·Granted Aug 18, 2020·3 cites·10 claims
- 1386US4145263ASteel sheet useful in forming foodstuff and beverage cansTOYO KOHAN CO LTD·Filed 1977·Granted Mar 20, 1979·26 cites·6 claims
- 1485US12104271B2Roughened plated sheetTOYO KOHAN CO LTD·Filed 2023·Granted Oct 1, 2024·0 cites·9 claims
- 1585US2026051514A1Electrolytic foil and battery current collectorTOYO KOHAN CO LTD·Filed 2025·Application pending·0 cites
- 1684US12448697B2Surface-treated steel sheet and production method thereforTOYO KOHAN CO LTD·Filed 2020·Granted Oct 21, 2025·1 cites·16 claims
- 1784US11453203B2Roll-bonded laminate and method for producing the sameTOYO KOHAN CO LTD·Filed 2018·Granted Sep 27, 2022·2 cites·11 claims
- 1884US7878040B2Method of drawn and ironed processing of resin coated metal sheet and resin coated drawn and ironed can produced therebyTOYO KOHAN CO LTD·Filed 2005·Granted Feb 1, 2011·12 cites·11 claims
- 1983US5935323AArticles with diamond coating formed thereon by vapor-phase synthesisTOYO KOHAN CO LTD·Filed 1996·Granted Aug 10, 1999·59 cites·17 claims
- 2083US4169916ASteel sheets and method of treating steel sheetsTOYO KOHAN CO LTD·Filed 1977·Granted Oct 2, 1979·34 cites·13 claims
- 2183US2024376624A1Roughened plated sheetTOYO KOHAN CO LTD·Filed 2024·Application pending·0 cites
- 2282US12070923B2Substrate for epitaxial growth and method for producing sameTOYO KOHAN CO LTD·Filed 2022·Granted Aug 27, 2024·0 cites·4 claims
- 2382US4445998AMethod for producing a steel lithographic plateTOYO KOHAN CO LTD·Filed 1981·Granted May 1, 1984·45 cites·12 claims
- 2481US7078172B1Substrate activation kit and method for detecting DNA and the like using the sameTOYO KOHAN CO LTD·Filed 2001·Granted Jul 18, 2006·22 cites·11 claims
- 2580US9297078B2Method for producing hard disk substrateTOYO KOHAN CO LTD·Filed 2013·Granted Mar 29, 2016·2 cites·1 claims
- 2680US4896813AMethod and apparatus for cold rolling clad sheetTOYO KOHAN CO LTD·Filed 1989·Granted Jan 30, 1990·37 cites·10 claims
- 2780US4086153AMethod of producing a composite coated steel sheetTOYO KOHAN CO LTD·Filed 1976·Granted Apr 25, 1978·30 cites·10 claims
- 2879US5544517AMethod of redrawing a predrawn coated metal canTOYO KOHAN CO LTD·Filed 1994·Granted Aug 13, 1996·24 cites·10 claims
- 2979US4908280AScratch and corrosion resistant, formable nickel plated steel sheet, and manufacturing methodTOYO KOHAN CO LTD·Filed 1989·Granted Mar 13, 1990·31 cites·9 claims
- 3079US4261745AMethod for preparing a composite metal sintered articleTOYO KOHAN CO LTD·Filed 1978·Granted Apr 14, 1981·21 cites·9 claims
- 3179US2025351274A1Copper clad laminate and method for producing the sameTOYO KOHAN CO LTD·Filed 2025·Application pending·0 cites
- 3278US11824212B2Surface-treated steel plate for cell containerTOYO KOHAN CO LTD·Filed 2021·Granted Nov 21, 2023·0 cites·6 claims
- 3378US11799156B2Surface-treated steel sheet for cell containerTOYO KOHAN CO LTD·Filed 2021·Granted Oct 24, 2023·0 cites·6 claims
- 3478US10113238B2Gold plate coated stainless material and method of producing gold plate coated stainless materialTOYO KOHAN CO LTD·Filed 2013·Granted Oct 30, 2018·1 cites·8 claims
- 3578US10000038B2Alloy plate coated material and method of producing alloy plate coated materialTOYO KOHAN CO LTD·Filed 2014·Granted Jun 19, 2018·2 cites·7 claims
- 3678US7029881B1Methods for constructing DNA library and support carrying DNA library immobilized thereonTOYO KOHAN CO LTD·Filed 2000·Granted Apr 18, 2006·6 cites·4 claims
- 3778US5238481AHeat resistant sintered hard alloyTOYO KOHAN CO LTD·Filed 1992·Granted Aug 24, 1993·25 cites·2 claims
- 3878US4601957AMethod for producing a thin tin and nickel plated steel sheet for welded can materialTOYO KOHAN CO LTD·Filed 1985·Granted Jul 22, 1986·22 cites·16 claims
- 3978US4113580ASteel sheet useful in forming foodstuff and beverage cansTOYO KOHAN CO LTD·Filed 1977·Granted Sep 12, 1978·20 cites·11 claims
- 4077US6238783B1Thermoplastic resin coated aluminum alloy sheet, and method and apparatus for production thereofTOYO KOHAN CO LTD·Filed 1997·Granted May 29, 2001·34 cites·24 claims
- 4176US7183190B2Semiconductor device and fabrication method thereforTOYO KOHAN CO LTD·Filed 2001·Granted Feb 27, 2007·26 cites·1 claims
- 4275US10864596B2Metal laminate material and production method thereforTOYO KOHAN CO LTD·Filed 2016·Granted Dec 15, 2020·1 cites·7 claims
- 4375US10287689B2Method for producing metal-plated stainless materialTOYO KOHAN CO LTD·Filed 2015·Granted May 14, 2019·1 cites·12 claims
- 4475US4366185AMetal-resin composite and process for its productionTOYO KOHAN CO LTD·Filed 1980·Granted Dec 28, 1982·25 cites·14 claims
- 4574US11691386B2Roll-bonded laminate and method for producing the sameTOYO KOHAN CO LTD·Filed 2022·Granted Jul 4, 2023·0 cites·6 claims
- 4674US6525343B1Micro-chip for chemical reactionTOYO KOHAN CO LTD·Filed 2000·Granted Feb 25, 2003·13 cites·3 claims
- 4773US11753737B2Surface-treated steel sheet, metal container, and method for producing surface-treated steel sheetTOYO KOHAN CO LTD·Filed 2021·Granted Sep 12, 2023·0 cites·4 claims
- 4873US11205453B2Hard disk substrate and hard disk device including the hard disk substrateTOYO KOHAN CO LTD·Filed 2017·Granted Dec 21, 2021·5 cites·2 claims
- 4972US11732376B2Roughened plated sheetTOYO KOHAN CO LTD·Filed 2020·Granted Aug 22, 2023·0 cites·6 claims
- 5072US10526109B2Surface-treated steel sheet for container having excellent processing adhesion to resin, method for manufacturing same, and canTOYO KOHAN CO LTD·Filed 2013·Granted Jan 7, 2020·1 cites·9 claims
Showing the top 50 of 283 patent records by PatentIndex Score.
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