Inventor · disambiguated record
Mitsuhiko Sakakibara
Also filed as: SAKAKIBARA MITSUHIKO
28 granted patents·3 pending applications·1,632 citations·filing 1981–2003
98Inventor score
Top patents by PatentIndex Score
31 records- 0198US5064910APreparation of conjugated diene polymers modified with an organo-tin or germanium halideJAPAN SYNTHETIC RUBBER CO LTD·Filed 1989·Granted Nov 12, 1991·211 cites·25 claims
- 0298US4906706AModified conjugated diene polymer and process for production thereofJAPAN SYNTHETIC RUBBER CO LTD·Filed 1987·Granted Mar 6, 1990·201 cites·23 claims
- 0398US4397994AHigh vinyl polybutadiene or styrene-butadiene copolymerJAPAN SYNTHETIC RUBBER CO LTD·Filed 1981·Granted Aug 9, 1983·335 cites·9 claims
- 0496US4894409ARubber compositionJAPAN SYNTHETIC RUBBER CO LTD·Filed 1988·Granted Jan 16, 1990·103 cites·13 claims
- 0596US4461883AProcess for producing conjugated diene polymer using a solubilized lanthanum carboxylate catalystJAPAN SYNTHETIC RUBBER CO LTD·Filed 1982·Granted Jul 24, 1984·152 cites·27 claims
- 0695US5017636ARubber compositions from modified trans-polybutadiene and rubber for tiresJAPAN SYNTHETIC RUBBER CO LTD·Filed 1990·Granted May 21, 1991·94 cites·19 claims
- 0794US4742124ARubber composition for use in tireJAPAN SYNTHETIC RUBBER CO LTD·Filed 1987·Granted May 3, 1988·64 cites·7 claims
- 0891US4515922ARubber compositionsBRIDGESTONE TIRE CO LTD·Filed 1984·Granted May 7, 1985·54 cites·9 claims
- 0990US4367325AStyrene-butadiene random copolymer and process for the production thereofJAPAN SYNTHETIC RUBBER CO LTD·Filed 1981·Granted Jan 4, 1983·58 cites·15 claims
- 1089US4533711APolybutadiene rubber compositions having improved green strengthBRIDGESTONE TIRE CO LTD·Filed 1983·Granted Aug 6, 1985·48 cites·2 claims
- 1187US4468496APolybutadiene rubber compositionsBRIDGESTONE TIRE CO LTD·Filed 1982·Granted Aug 28, 1984·43 cites·8 claims
- 1285US4835216AConjugated diene series rubber compositionsBRIDGESTONE CORP·Filed 1987·Granted May 30, 1989·38 cites·8 claims
- 1374US4933401ACatalyst composition for polymerization of conjugated diene and process for producing conjugated diene polymerJAPAN SYNTHETIC RUBBER CO LTD·Filed 1989·Granted Jun 12, 1990·22 cites·22 claims
- 1474US4742117AConjugated diene based rubber compositionJAPAN SYNTHETIC RUBBER CO LTD·Filed 1987·Granted May 3, 1988·21 cites·13 claims
- 1574US4433109AStyrene-butadiene block copolymerJAPAN SYNTHETIC RUBBER CO LTD·Filed 1981·Granted Feb 21, 1984·23 cites·8 claims
- 1673US6872474B2Light emitting polymer composition, and organic electroluminescence device and production process thereofJSR CORP·Filed 2002·Granted Mar 29, 2005·16 cites·7 claims
- 1772US5232987ARubber compositionsJAPAN SYNTHETIC RUBBER CO LTD·Filed 1991·Granted Aug 3, 1993·26 cites·6 claims
- 1865US4824908AButadiene-based rubber compositionJAPAN SYNTHETIC RUBBER CO LTD·Filed 1987·Granted Apr 25, 1989·19 cites·20 claims
- 1961US5011888AVulcanized rubber compositionJAPAN SYNTHETIC RUBBER CO LTD·Filed 1989·Granted Apr 30, 1991·15 cites·3 claims
- 2058US4588782ADiene polymers and process for producing the sameJAPAN SYNTHETIC RUBBER CO LTD·Filed 1985·Granted May 13, 1986·11 cites·41 claims
- 2154US5164450AButadiene copolymer rubber compositionJAPAN SYNTHETIC RUBBER CO LTD·Filed 1990·Granted Nov 17, 1992·10 cites·2 claims
- 2250US4782119ARubber composition comprising a styrene-butadiene block copolymer having two kinds of blocksJAPAN SYNTHETIC RUBBER CO LTD·Filed 1985·Granted Nov 1, 1988·13 cites·14 claims
- 2346US6451458B1Electroluminescent material and electroluminescent cellJSR CORP·Filed 1999·Granted Sep 17, 2002·8 cites·23 claims
- 2444US6007928AElectroluminescence light-emitting cellJSR CORP·Filed 1998·Granted Dec 28, 1999·24 cites·10 claims
- 2544US4463133ARubber compositions suitable for use in tire treadBRIDGESTONE TIRE CO LTD·Filed 1982·Granted Jul 31, 1984·9 cites·5 claims
- 2644US4433107APolyisoprene rubber compositionsBRIDGESTONE TIRE CO LTD·Filed 1982·Granted Feb 21, 1984·8 cites·7 claims
- 2739US2005145830A1Phosphors and process for production thereof, luminescent compositions, and organic electroluminescent devices and processes for production thereofJSR CORP·Filed 2003·Application pending·0 cites
- 2838US4810746ARubber composition for use in vibration insulating materialBRIDGESTONE TIRE CO LTD·Filed 1987·Granted Mar 7, 1989·5 cites·9 claims
- 2938US2004091739A1Polymeric phosphorescent agent and production process thereof, and luminescent composition and applied products thereofFiled 2003·Application pending·0 cites
- 3038US2004106006A1Phosphors, process for production thereof, phosphorescent compositions and articles made by using the sameFiled 2003·Application pending·0 cites
- 3129US4721753ADiene polymer composition containing copolymer derived from 2,3-dimethyl butadieneBRIDGESTONE CORP·Filed 1986·Granted Jan 26, 1988·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →