Assignee
TOKAN KOGYO CO LTD
JP·19 granted patents·3 pending applications·382 citations·filing 1977–2021
Top patents by PatentIndex Score
22 records- 0196US4157194AThermoplastic multi-walled pipesTOKAN KOGYO CO LTD·Filed 1977·Granted Jun 5, 1979·107 cites·14 claims
- 0295US10086980B2Container sealing deviceTOKAN KOGYO CO LTD·Filed 2014·Granted Oct 2, 2018·46 cites·10 claims
- 0393US10029832B2Container sealing deviceTOKAN KOGYO CO LTD·Filed 2014·Granted Jul 24, 2018·30 cites·5 claims
- 0480US4408697AOpening means having cutting guideTOKAN KOGYO CO LTD·Filed 1982·Granted Oct 11, 1983·29 cites·9 claims
- 0580US4325905AMethod for producing a double-walled paper containerTOKAN KOGYO CO LTD·Filed 1980·Granted Apr 20, 1982·39 cites·2 claims
- 0678US9862528B2Cap assembly and method for capping sameTOKAN KOGYO CO LTD·Filed 2013·Granted Jan 9, 2018·11 cites·4 claims
- 0770USD590650SSwizzle stickTOKAN KOGYO CO LTD·Filed 2008·Granted Apr 21, 2009·21 cites·1 claims
- 0864US9963263B2Container sealing deviceTOKAN KOGYO CO LTD·Filed 2014·Granted May 8, 2018·1 cites·8 claims
- 0964US4236953AProcess for producing thermoplastic multi-walled pipesTOKAN KOGYO CO LTD·Filed 1978·Granted Dec 2, 1980·20 cites·8 claims
- 1064US4155481AContainer cover member having synthetic resin openable portion and method for making the sameTOKAN KOGYO CO LTD·Filed 1978·Granted May 22, 1979·26 cites·8 claims
- 1155US11180277B2Three-dimensional body, container, and method for manufacturing containerTOKAN KOGYO CO LTD·Filed 2018·Granted Nov 23, 2021·0 cites·5 claims
- 1248US11691373B2Paper lid production methodTOKAN KOGYO CO LTD·Filed 2019·Granted Jul 4, 2023·0 cites·8 claims
- 1347US4324342AEasily openable cover memberTOKAN KOGYO CO LTD·Filed 1980·Granted Apr 13, 1982·11 cites·4 claims
- 1444US5791521ALiquid dispensing bag and quantitative chamber forming jig for liquid dispensing deviceTOKAN KOGYO CO LTD·Filed 1996·Granted Aug 11, 1998·14 cites·7 claims
- 1544US2016167849A1Cap assembly and method for assembling sameTOKAN KOGYO CO LTD·Filed 2013·Application pending·0 cites
- 1643US2023182429A1Container molding method and device thereforTOKAN KOGYO CO LTD·Filed 2021·Application pending·0 cites
- 1742US11572220B2Paper lidTOKAN KOGYO CO LTD·Filed 2019·Granted Feb 7, 2023·0 cites·7 claims
- 1841US4244491AContainer cover member having synthetic resin openable portionTOKAN KOGYO CO LTD·Filed 1978·Granted Jan 13, 1981·10 cites·14 claims
- 1938US4256239AEasily openable cover memberTOKAN KOGYO CO LTD·Filed 1979·Granted Mar 17, 1981·10 cites·5 claims
- 2038US2006165970A1Thermal insulation foamed sheet, thermal insulation foamed container and method for producing the sameTOKAN KOGYO CO LTD·Filed 2002·Application pending·0 cites
- 2136US4309952AProcess for making a container cover member having synthetic resin openable portionTOKAN KOGYO CO LTD·Filed 1979·Granted Jan 12, 1982·7 cites·2 claims
- 2224US4324341AEasily openable cover memberTOKAN KOGYO CO LTD·Filed 1980·Granted Apr 13, 1982·0 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →