Inventor · disambiguated record
Toshihide Shimizu
Also filed as: KATUSIMA SENSAKU · KOYANAGI SHUNICHI · SHIMIZU TOSHIHIDE
81 granted patents·739 citations·filing 1974–2023
99Inventor score
Top patents by PatentIndex Score
81 records- 0189US4539230AMethod for preventing deposition of polymer scale and a coating agent thereforSHINETSU CHEMICAL CO·Filed 1984·Granted Sep 3, 1985·48 cites·7 claims
- 0287US9895966B2Work vehicleKUBOTA KK·Filed 2015·Granted Feb 20, 2018·6 cites·22 claims
- 0387US4758639AProcess for production of vinyl polymerSHINETSU CHEMICAL CO·Filed 1987·Granted Jul 19, 1988·55 cites·11 claims
- 0477US5378775APolymer scale preventive agent, polymerization vessel for preventing polymer scale deposition, and process of producing polymer using said vesselSHINETSU CHEMICAL CO·Filed 1994·Granted Jan 3, 1995·28 cites·3 claims
- 0576US4105839AMethod for polymerizing ethylenically unsaturated monomers in order to eliminate polymer depositionSHINETSU CHEMICAL CO·Filed 1976·Granted Aug 8, 1978·20 cites·13 claims
- 0675US4180634APolymerizing vinyl chloride with lowering of scale formationSHINETSU CHEMICAL CO·Filed 1978·Granted Dec 25, 1979·18 cites·9 claims
- 0774US6159910AAluminum nitride compositionSHINETSU CHEMICAL CO·Filed 1999·Granted Dec 12, 2000·30 cites·9 claims
- 0874US4933399AMethod of preventing polymer-scale formationSHINETSU CHEMICAL CO·Filed 1988·Granted Jun 12, 1990·21 cites·9 claims
- 0974US4757124AProcess for production of vinyl chloride polymerSHINETSU CHEMICAL CO·Filed 1987·Granted Jul 12, 1988·22 cites·12 claims
- 1072US5115051AMethod of preventing polymer scale deposition in a polymerization vesselSHINETSU CHEMICAL CO·Filed 1989·Granted May 19, 1992·19 cites·14 claims
- 1168US6335403B1Process for producing a polymer by polymerization of a monomer having an ethylenic double bondSHINETSU CHEMICAL CO·Filed 2000·Granted Jan 1, 2002·8 cites·16 claims
- 1267US4591391AMethod for removing polymer scale deposited on reactor walls and a polymer scale remover agent thereforSHINETSU CHEMICAL CO·Filed 1985·Granted May 27, 1986·17 cites·11 claims
- 1367US4543382APlastic magnets impregnated with a dye-coated magnet alloy powderSHINETSU CHEMICAL CO·Filed 1983·Granted Sep 24, 1985·20 cites·4 claims
- 1464US6362291B1Process for producing a polymer by polymerization of a monomer having an ethylenic double bondSHINETSU CHEMICAL CO·Filed 2000·Granted Mar 26, 2002·6 cites·20 claims
- 1564US6326454B1Composition comprising condensation product of dimer of 2,3-dihydroxynaphthalene and formaldehyde for polymerizationSHINETSU CHEMICAL CO·Filed 2000·Granted Dec 4, 2001·5 cites·9 claims
- 1664US4105838AMethod for the polymerization of vinyl chlorideSHINETSU CHEMICAL CO·Filed 1975·Granted Aug 8, 1978·11 cites·20 claims
- 1763US4622245AMethod for preventing polymer scale deposition in the polymerization of an ethylenically unsaturated monomerSHINETSU CHEMICAL CO·Filed 1984·Granted Nov 11, 1986·12 cites·3 claims
- 1862US4272622AMethod for preventing polymer scale deposition in the polymerization of an ethylenically unsaturated monomer in an aqueous mediumSHINETSU CHEMICAL CO·Filed 1980·Granted Jun 9, 1981·12 cites·8 claims
- 1961US4090015AMethod for polymerizing dienic monomersSHINETSU CHEMICAL CO·Filed 1977·Granted May 16, 1978·11 cites·11 claims
- 2060US5416174AScale preventive coating of pyrogallol-acetone resin and water soluble polymerSHINETSU CHEMICAL CO·Filed 1993·Granted May 16, 1995·12 cites·17 claims
- 2160US4173696AMethod for the polymerization of vinyl monomersSHINETSU CHEMICAL CO·Filed 1978·Granted Nov 6, 1979·10 cites·23 claims
- 2259US6320001B1Process for producing a polymer by polymerization of a monomer having an ethylenic double bondSHINETSU CHEMICAL CO·Filed 2000·Granted Nov 20, 2001·4 cites·18 claims
- 2359US5576370APolymer scale preventive agent containing a condensation product of a hydroxynaphthaleneSHINETSU CHEMICAL CO·Filed 1994·Granted Nov 19, 1996·10 cites·6 claims
- 2458US6235348B1Rust preventionSHINETSU CHEMICAL CO·Filed 1999·Granted May 22, 2001·17 cites·13 claims
- 2558US5214112AMethod of preventing polymer deposition and polymer scale preventive agentSHINETSU CHEMICAL CO·Filed 1990·Granted May 25, 1993·11 cites·12 claims
- 2657US12434552B2Tank for a work vehicleKUBOTA KK·Filed 2023·Granted Oct 7, 2025·0 cites·14 claims
- 2757US3945958AMethod for suspension-polymerizing vinyl chlorideSHINETSU CHEMICAL CO·Filed 1974·Granted Mar 23, 1976·8 cites·6 claims
- 2856US5728781APolymer scale depostion preventive agent and a process for producing polymers using the sameSHINETSU CHEMICAL CO·Filed 1996·Granted Mar 17, 1998·12 cites·14 claims
- 2956US5153281AMethod of preventing polymer scale deposition and polymer scale preventive agent used thereforSHINETSU CHEMICAL CO·Filed 1991·Granted Oct 6, 1992·10 cites·11 claims
- 3055US5616660APolymerization of ethylenic monomer with scale preventive agentSHINETSU CHEMICAL CO·Filed 1996·Granted Apr 1, 1997·10 cites·8 claims
- 3155US5484855APolymer scale preventive processSHINETSU CHEMICAL CO·Filed 1994·Granted Jan 16, 1996·9 cites·15 claims
- 3255US5424003AReaction product of an aromatic amine and quinone as a polymer scale preventive agentSHINETSU CHEMICAL CO·Filed 1992·Granted Jun 13, 1995·8 cites·19 claims
- 3355US4542195AMethod for preventing polymer scale deposition in the polymerization of an ethylenically unsaturated monomerSHINETSU CHEMICAL CO·Filed 1984·Granted Sep 17, 1985·9 cites·4 claims
- 3452US5442002APolymer scale deposition preventive agentSHINETSU CHEMICAL CO·Filed 1994·Granted Aug 15, 1995·8 cites·9 claims
- 3552US5112682APrimer for improving adhesion to plasticsSHINETSU CHEMICAL CO·Filed 1989·Granted May 12, 1992·13 cites·10 claims
- 3652US5053466AMethod of preventing polymer scale depositionSHIN FTSU CHEMICAL CO LTD·Filed 1989·Granted Oct 1, 1991·10 cites·18 claims
- 3752US4612354AMethod for preventing polymer scale deposition in the polymerization of a vinylic monomerSHINETSU CHEMICAL CO·Filed 1982·Granted Sep 16, 1986·8 cites·7 claims
- 3851US5401815APolymer scale preventive agent, polymerization vessel for preventing polymer scale deposition, and process of producing polymer using said vesselSHINETSU CHEMICAL CO·Filed 1994·Granted Mar 28, 1995·7 cites·9 claims
- 3950US6037426AProcess for producing a polymer by polymerization of a monomer having an ethylenic double bondSHINETSU CHEMICAL CO·Filed 1999·Granted Mar 14, 2000·13 cites·19 claims
- 4050US5357009APolymer scale preventive agentSHINETSU CHEMICAL CO·Filed 1993·Granted Oct 18, 1994·7 cites·3 claims
- 4150US5034478AMethod of preventing polymer scale formationSHINETSU CHEMICAL CO·Filed 1989·Granted Jul 23, 1991·7 cites·23 claims
- 4249US5424377AProcess to prevent scale adhesion using condensation product of aromatic amine and a quinoneSHINETSU CHEMICAL CO·Filed 1993·Granted Jun 13, 1995·7 cites·14 claims
- 4348US5508361APolymer scale preventive agent and process of producing polymer using the sameSHINETSU CHEMICAL CO·Filed 1995·Granted Apr 16, 1996·8 cites·6 claims
- 4448US5492982AProcess for polymerization in vessel with coating of polymer scale preventive agentSHINETSU CHEMICAL CO·Filed 1994·Granted Feb 20, 1996·3 cites·8 claims
- 4548US5397849AProcess for preventing polymer scale using an alkaline solution of a condensation product of an aromatic compound having at least two amino groups and an aromatic bisester anhydrideSHINETSU CHEMICAL CO·Filed 1994·Granted Mar 14, 1995·7 cites·3 claims
- 4648US5264505APolymer scale preventive agent, polymerization vessel for preventing polymer scale deposition, and process of producing polymer using said vesselSHINETSU CHEMICAL CO·Filed 1992·Granted Nov 23, 1993·7 cites·13 claims
- 4747US5484856AProcess to prevent scale adhesion using the condensation product of aromatic amine and aromatic tetracarboxylic acid anhydrideSHINETSU CHEMICAL CO·Filed 1994·Granted Jan 16, 1996·6 cites·13 claims
- 4847US5414061APolymer scale preventive liquid and method of preventing polymer scale depositionSHINETSU CHEMICAL CO·Filed 1994·Granted May 9, 1995·6 cites·8 claims
- 4946US6121390AProcess of producing vinyl chloride polymer by using condensation product of dimer of 2,3-dihydroxynaphthalene and formaldehydeSHINETSU CHEMICAL CO·Filed 1998·Granted Sep 19, 2000·6 cites·11 claims
- 5046US5298220AMethod of preventing polymer scale formationSHINETSU CHEMICAL CO·Filed 1993·Granted Mar 29, 1994·5 cites·21 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →