Assignee
SEKISUI PLASTICS
JP·158 granted patents·37 pending applications·3,372 citations·filing 1973–2023
Top patents by PatentIndex Score
195 records- 0197US4303756AProcess for producing expandable thermoplastic resin beadsSEKISUI PLASTICS·Filed 1980·Granted Dec 1, 1981·158 cites·9 claims
- 0296US5854376AAliphatic ester-amide copolymer resinsSEKISUI PLASTICS·Filed 1996·Granted Dec 29, 1998·147 cites·30 claims
- 0396US4303757AProcess for producing expandable thermoplastic resin beads using polypropylene as nucleusSEKISUI PLASTICS·Filed 1980·Granted Dec 1, 1981·129 cites·9 claims
- 0495US4456704AProduction of foamSEKISUI PLASTICS·Filed 1982·Granted Jun 26, 1984·127 cites·18 claims
- 0594US3959189AProcess for producing polyethylene resin particles and foamable polyethylene resin particlesSEKISUI PLASTICS·Filed 1973·Granted May 25, 1976·104 cites·15 claims
- 0693US5261185AApparatus and method of water culture and plant handling methodSEKISUI PLASTICS·Filed 1991·Granted Nov 16, 1993·92 cites·21 claims
- 0793US5000991AProcess for producing polyester resin foam and polyester resin foam sheetSEKISUI PLASTICS·Filed 1989·Granted Mar 19, 1991·115 cites·21 claims
- 0892US4168353AProcess for producing foamable polyethylene resin particlesSEKISUI PLASTICS·Filed 1978·Granted Sep 18, 1979·99 cites·9 claims
- 0989US9200154B2Porous resin particles, method of manufacturing the same, and use of the sameSEKISUI PLASTICS·Filed 2013·Granted Dec 1, 2015·12 cites·19 claims
- 1089US3967991AMethod for producing receptacles from thermoplastic resin foam sheetSEKISUI PLASTICS·Filed 1973·Granted Jul 6, 1976·71 cites·14 claims
- 1188US4528221APolystyrene foamed sheet suitable for formingSEKISUI PLASTICS·Filed 1983·Granted Jul 9, 1985·70 cites·22 claims
- 1288US4463861ASheet for forming sleeve and process for producing the sameSEKISUI PLASTICS·Filed 1983·Granted Aug 7, 1984·81 cites·13 claims
- 1388US3936518AProcess for preparing a synthetic woodSEKISUI PLASTICS·Filed 1974·Granted Feb 3, 1976·50 cites·6 claims
- 1487US5908590AProcess and apparatus for manufacturing a foamed resin container with a labelSEKISUI PLASTICS·Filed 1996·Granted Jun 1, 1999·75 cites·4 claims
- 1587US5882782ASeparable foamed thermoplastic resin laminate sheet, process for producing the same, and formings produced therefromSEKISUI PLASTICS·Filed 1996·Granted Mar 16, 1999·63 cites·10 claims
- 1687US5421982AElectrically conductive polymer gel and the method for manufacturing the same and an organism-use electrode with the use thereofSEKISUI PLASTICS·Filed 1993·Granted Jun 6, 1995·70 cites·29 claims
- 1787US4080344AProcess for the production of expandable ethylenically unsaturated polymer particlesSEKISUI PLASTICS·Filed 1975·Granted Mar 21, 1978·41 cites·9 claims
- 1886US4454087AMethod and apparatus for preparing thermoplastic resin foamSEKISUI PLASTICS·Filed 1982·Granted Jun 12, 1984·60 cites·14 claims
- 1986US4192839AProcess for producing expanded article of thermoplastic resinSEKISUI PLASTICS·Filed 1978·Granted Mar 11, 1980·47 cites·8 claims
- 2086US2023399501A1Thermoplastic elastomer composition, foam particle, and foam molded bodySEKISUI PLASTICS·Filed 2023·Application pending·0 cites
- 2185US7579384B2Expanded molded article having voidsSEKISUI PLASTICS·Filed 2005·Granted Aug 25, 2009·10 cites·2 claims
- 2285US4911978APolyolefin resin foamed laminate sheet and double-side vacuum forming of the sameSEKISUI PLASTICS·Filed 1989·Granted Mar 27, 1990·54 cites·11 claims
- 2385US4262052AFoamed composite material and production thereofSEKISUI PLASTICS·Filed 1979·Granted Apr 14, 1981·52 cites·13 claims
- 2485US4090903AApparatus and method for manufacturing a container from a thermoplastic resin foam sheetSEKISUI PLASTICS·Filed 1976·Granted May 23, 1978·36 cites·11 claims
- 2584US5165910AMethod for preparing stabilized aqueous chlorine dioxide solutionSEKISUI PLASTICS·Filed 1990·Granted Nov 24, 1992·54 cites·4 claims
- 2684US4429059AProcess for producing foamable polyolefin particlesSEKISUI PLASTICS·Filed 1983·Granted Jan 31, 1984·46 cites·5 claims
- 2783US10647035B2Vehicle seat member and vehicle seatSEKISUI PLASTICS·Filed 2016·Granted May 12, 2020·3 cites·14 claims
- 2883US5134028AThermoplastic polyester series resin foamed material and production process thereofSEKISUI PLASTICS·Filed 1990·Granted Jul 28, 1992·33 cites·8 claims
- 2983US4746478AMethod and apparatus for production of foamed thermoplastic materialSEKISUI PLASTICS·Filed 1986·Granted May 24, 1988·59 cites·11 claims
- 3082US5435098AApparatus and method of water culture and plant handling methodSEKISUI PLASTICS·Filed 1993·Granted Jul 25, 1995·42 cites·11 claims
- 3182US5128383AProcess of producing thermoplastic polyester series resin foamed materialSEKISUI PLASTICS·Filed 1991·Granted Jul 7, 1992·34 cites·2 claims
- 3281US2023110490A1Thermoplastic elastomer composition, foam particle, and foam molded bodySEKISUI PLASTICS·Filed 2022·Application pending·0 cites
- 3380US10723055B2Polyester-based resin foam and method for producing resin compositeSEKISUI PLASTICS·Filed 2015·Granted Jul 28, 2020·3 cites·1 claims
- 3480US5110844ALeather-like thermoplastic polyester series resin sheet and process for production of the sameSEKISUI PLASTICS·Filed 1991·Granted May 5, 1992·34 cites·8 claims
- 3579US10064500B2Article moving device and display rackSEKISUI PLASTICS·Filed 2015·Granted Sep 4, 2018·13 cites·16 claims
- 3679US10052845B2Resin composite and method for producing resin compositeSEKISUI PLASTICS·Filed 2015·Granted Aug 21, 2018·2 cites·5 claims
- 3779US7390039B2Bumper absorber for protecting pedestriansSEKISUI PLASTICS·Filed 2007·Granted Jun 24, 2008·11 cites·4 claims
- 3879US6357089B1Clip for a sheet electrodeSEKISUI PLASTICS·Filed 1999·Granted Mar 19, 2002·86 cites·11 claims
- 3978US11078338B2Generally spherical resin particles formed of thermoplastic resin, method for producing same and use of sameSEKISUI PLASTICS·Filed 2016·Granted Aug 3, 2021·1 cites·9 claims
- 4078US10414309B2Vehicle seat member and method of manufacturing sameSEKISUI PLASTICS·Filed 2017·Granted Sep 17, 2019·5 cites·10 claims
- 4178US4771105AWater-absorbent resin and process for producing the sameSEKISUI PLASTICS·Filed 1987·Granted Sep 13, 1988·140 cites·9 claims
- 4277US5286428APolypropylene resin foamed sheet for thermoforming and process for producing the sameSEKISUI PLASTICS·Filed 1991·Granted Feb 15, 1994·49 cites·5 claims
- 4377US4530880AGranular organohalide flame retardant additiveSEKISUI PLASTICS·Filed 1984·Granted Jul 23, 1985·27 cites·10 claims
- 4477US4081225ASteam aperture deviceSEKISUI PLASTICS·Filed 1976·Granted Mar 28, 1978·38 cites·9 claims
- 4575US7868072B2Gel adhesive compositions, method of making, and use thereofSEKISUI PLASTICS·Filed 2005·Granted Jan 11, 2011·5 cites·18 claims
- 4675US5958164AMethod of manufacturing thermoplastic polyester resin foam by extrusionSEKISUI PLASTICS·Filed 1995·Granted Sep 28, 1999·27 cites·18 claims
- 4775US4626183AApparatus for producing thermoplastic resin foamSEKISUI PLASTICS·Filed 1984·Granted Dec 2, 1986·39 cites·6 claims
- 4875US4548775AMethod for production of thermoplastic resin foamsSEKISUI PLASTICS·Filed 1984·Granted Oct 22, 1985·33 cites·8 claims
- 4974US11643538B2Thermoplastic elastomer composition, foam particle, and foam molded bodySEKISUI PLASTICS·Filed 2018·Granted May 9, 2023·0 cites·2 claims
- 5074US10815354B2Bead expanded molded article, resin expanded particles, method for producing resin expanded particles, expandable resin particles and method for producing bead expanded molded articleSEKISUI PLASTICS·Filed 2015·Granted Oct 27, 2020·1 cites·4 claims
Showing the top 50 of 195 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →