Inventor · disambiguated record
Yoshiki Toyoshima
Also filed as: TOYOSHIMA YOSHIKI
28 granted patents·342 citations·filing 1975–1994
97Inventor score
Files withSUMITOMO CHEMICAL CO28
Top patents by PatentIndex Score
28 records- 0188US5373055AMethod for producing thermoplastic elastomer compositionsSUMITOMO CHEMICAL CO·Filed 1994·Granted Dec 13, 1994·31 cites·4 claims
- 0288US5047479AThermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 1989·Granted Sep 10, 1991·42 cites·3 claims
- 0383US5068283AMethod for producing thermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 1990·Granted Nov 26, 1991·25 cites·1 claims
- 0473US5098953AMethod for producing thermoplastic resin compositionsSUMITOMO CHEMICAL CO·Filed 1991·Granted Mar 24, 1992·11 cites·1 claims
- 0572US5292808AMulti-phase structure and process for producing the sameSUMITOMO CHEMICAL CO·Filed 1993·Granted Mar 8, 1994·25 cites·7 claims
- 0672US4404000AMiddle and/or heavy distillate composition having good flow property and filterabilitySUMITOMO CHEMICAL CO·Filed 1982·Granted Sep 13, 1983·21 cites·2 claims
- 0770US5047478AThermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 1989·Granted Sep 10, 1991·20 cites·4 claims
- 0865US5032459AModified polyolefin resinSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 16, 1991·20 cites·14 claims
- 0962US4876371AProcess of producing glycidyl ethers of monohydric or polyhydric phenolsSUMITOMO CHEMICAL CO·Filed 1987·Granted Oct 24, 1989·6 cites·1 claims
- 1060US5296552AAdhesive resin compositionSUMITOMO CHEMICAL CO·Filed 1992·Granted Mar 22, 1994·22 cites·5 claims
- 1159US5221712AProcess for producing impact-resistant polyamide resin compositionsSUMITOMO CHEMICAL CO·Filed 1992·Granted Jun 22, 1993·15 cites·7 claims
- 1254US5086117AMethod for producing thermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 1991·Granted Feb 4, 1992·5 cites·1 claims
- 1354US5086116AMethod for producing thermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 1990·Granted Feb 4, 1992·5 cites·1 claims
- 1454US5086118AMethod for producing thermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 1991·Granted Feb 4, 1992·7 cites·1 claims
- 1553US5180784AAdhesive resin compositionSUMITOMO CHEMICAL CO·Filed 1992·Granted Jan 19, 1993·12 cites·4 claims
- 1653US5086119AMethod for producing thermoplastic resin compositionSUMITOMO CHEMICAL CO·Filed 1990·Granted Feb 4, 1992·7 cites·1 claims
- 1753US5036141AModified polyolefin resinSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 30, 1991·9 cites·8 claims
- 1853US5010136AProcess for producing impact-resistant polyamide resin compositionsSUMITOMO CHEMICAL CO·Filed 1989·Granted Apr 23, 1991·11 cites·8 claims
- 1953US4468508AGlycidyl ether of novolak type substituted phenolic resin, process for producing the same, and encapsulating compound composed mainly of the sameSUMITOMO CHEMICAL CO·Filed 1983·Granted Aug 28, 1984·10 cites·15 claims
- 2048US5405909AThermoplastic elastomer compositionSUMITOMO CHEMICAL CO·Filed 1993·Granted Apr 11, 1995·9 cites·8 claims
- 2144US5155159AThermoplastic elastomer compositionSUMITOMO CHEMICAL CO·Filed 1991·Granted Oct 13, 1992·7 cites·21 claims
- 2241US5367013AProcess for producing reinforced crystalline engineering plastic compositionSUMITOMO CHEMICAL CO·Filed 1992·Granted Nov 22, 1994·6 cites·6 claims
- 2341US4696988AProcess for preparation of reactive polymers and polymers prepared by said processSUMITOMO CHEMICAL CO·Filed 1986·Granted Sep 29, 1987·5 cites·6 claims
- 2438US5290865AProcess for producing a lactam compound graft copolymer of ethylene copolymerSUMITOMO CHEMICAL CO·Filed 1992·Granted Mar 1, 1994·3 cites·7 claims
- 2535US4291148AProcess for preparation of a phenolic-polybutadiene-HCHO resin composition useful for laminated sheetSUMITOMO CHEMICAL CO·Filed 1979·Granted Sep 22, 1981·2 cites·9 claims
- 2634US5457150AMethod for producing thermoplastic elastomer compositionSUMITOMO CHEMICAL CO·Filed 1994·Granted Oct 10, 1995·2 cites·4 claims
- 2734US3966821AProcess for preparing 1-tetrahydronaphthaloneSUMITOMO CHEMICAL CO·Filed 1975·Granted Jun 29, 1976·3 cites·2 claims
- 2831US6017999AMethod for producing impact-resistant polyester resin compositionsSUMITOMO CHEMICAL CO·Filed 1994·Granted Jan 25, 2000·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →