Inventor · disambiguated record
Tsukuru Izukawa
Also filed as: IZUKAWA TSUKURU
16 granted patents·314 citations·filing 1988–2012
94Inventor score
Top patents by PatentIndex Score
16 records- 0187US6207794B1Polyoxyalkylene polyols, derivatives thereof, and process for producing the polyoxyalkylene polyolsMITSUI CHEMICALS INC·Filed 1998·Granted Mar 27, 2001·49 cites·24 claims
- 0287US5324774APolymer-polyol, process for preparation thereof and uses thereofMITSUI TOATSU CHEMICALS·Filed 1992·Granted Jun 28, 1994·47 cites·11 claims
- 0385US5397810APolyol, polyurethane resin and utilization thereofMITSUI TOATSU CHEMICALS·Filed 1993·Granted Mar 14, 1995·41 cites·31 claims
- 0480US5916994APolymer polyols and preparation thereofMITSUI CHEMICALS INC·Filed 1997·Granted Jun 29, 1999·28 cites·16 claims
- 0578US6117937APolymer polyol and flame retardant polyurethane resin and foam prepared therefromMITSUI CHEMICALS INC·Filed 1998·Granted Sep 12, 2000·35 cites·20 claims
- 0675US6063825AFlexible polyurethane foam with high durabilityMITSUI CHEMICALS INC·Filed 1998·Granted May 16, 2000·29 cites·25 claims
- 0772US6410676B1Method for producing polyoxyalkylene polyol and derivatives thereofMITSUI CHEMICALS INC·Filed 1999·Granted Jun 25, 2002·24 cites·27 claims
- 0867US6156864APreparation of flexible polyurethane foamsMITSUI CHEMICALS INC·Filed 1997·Granted Dec 5, 2000·16 cites·10 claims
- 0956US5246978APolyol and rigid polyurethane foamMITSUI TOATSU CHEMICALS·Filed 1990·Granted Sep 21, 1993·11 cites·41 claims
- 1052US5107068APolyurethane resin and utilization thereofMITSUI TOATSU CHEMICALS·Filed 1990·Granted Apr 21, 1992·9 cites·23 claims
- 1145US5198475APolyol and utilization thereofMITSUI TOATSU CHEMICALS·Filed 1990·Granted Mar 30, 1993·7 cites·46 claims
- 1244US4987198AThermosetting resin composition for injection moldingMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jan 22, 1991·6 cites·4 claims
- 1342US5468840APreparation process of polyoxyalkylene polyols and process of alkylene oxide recoveryMITSUI TOATSU CHEMICALS·Filed 1994·Granted Nov 21, 1995·5 cites·3 claims
- 1439US5545712APreparation process for polyoxyalkylene polyolMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 13, 1996·5 cites·7 claims
- 1538US10494469B2Composition for polyurethane foam, preparation for polyurethane foam, polymer polyol preparation for polyurethane foam, production processes therefor, and polyurethane foamMARUOKA YUSUKE·Filed 2012·Granted Dec 3, 2019·0 cites·11 claims
- 1635US5416123APolyurethane foam prepared from high concentration-low viscosity polymer-polyolMITSUI TOATSU CHEMICALS·Filed 1994·Granted May 16, 1995·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →