Inventor · disambiguated record
Hisayuki Iwai
Also filed as: IWAI HISAYUKI
15 granted patents·277 citations·filing 1988–2000
94Inventor score
Files withJAPAN POLYCHEM CORP3SUMITOMO CHEMICAL CO2TONEN SEKIYUKAGAKU KK2TOYOTA MOTOR CO LTD2GRAND POLYMER CO LTD1
Top patents by PatentIndex Score
15 records- 0192US6441081B1Polypropylene-base resin composition and products of injection molding thereofSUMITOMO CHEMICAL CO·Filed 1999·Granted Aug 27, 2002·92 cites·10 claims
- 0281US5308908APolypropylene resin compositionUBE INDUSTRIES·Filed 1992·Granted May 3, 1994·37 cites·7 claims
- 0379US5077326AUnsaturated polyester compositions molding materials therefrom and molded products therefromTOYOTA MOTOR CO LTD·Filed 1989·Granted Dec 31, 1991·29 cites·3 claims
- 0476US6759465B1Thermoplastic resin composition and injection-molded object thereofSUMITOMO CHEMICAL CO·Filed 2000·Granted Jul 6, 2004·15 cites·7 claims
- 0572US6667359B1Polypropylene compositions for automotive partsIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Dec 23, 2003·12 cites·12 claims
- 0667US6730728B2Propylene resin composition excellent in moldability and physical propertiesJAPAN POLYCHEM CORP·Filed 2000·Granted May 4, 2004·8 cites·2 claims
- 0764US6156836APolypropylene resin compositionJAPAN POLYCHEM CORP·Filed 1998·Granted Dec 5, 2000·22 cites·5 claims
- 0855US5567759APropylene polymer compositionMITSUI PETROCHEMICAL IND·Filed 1995·Granted Oct 22, 1996·13 cites·13 claims
- 0953US6180709B1Thermoplastic polypropylene compositionJAPAN POLYCHEM CORP·Filed 1998·Granted Jan 30, 2001·15 cites·4 claims
- 1044US5438091AResin composition having excellent paint coatabilityTONEN SEKIYUKAGAKU KK·Filed 1994·Granted Aug 1, 1995·8 cites·3 claims
- 1143US5461105AResin composition having excellent paint coatabilityTONEN SEKIYUKAGAKU KK·Filed 1995·Granted Oct 24, 1995·9 cites·2 claims
- 1243US4952652AUnsaturated polyester compositions and molded products therefromTOYOTA MOTOR CO LTD·Filed 1988·Granted Aug 28, 1990·7 cites·10 claims
- 1337US6121363ACrystalline propylene block-copolymer composition for use in automobile partsGRAND POLYMER CO LTD·Filed 1999·Granted Sep 19, 2000·6 cites·5 claims
- 1430US5164448ACurable unsaturated polyester dresin compositionTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted Nov 17, 1992·1 cites·5 claims
- 1524US5064900ACurable unsaturated polyester resin compositionIWAI HISAYUKI·Filed 1990·Granted Nov 12, 1991·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →