Inventor · disambiguated record
Harunori Hirao
Also filed as: HIRAO HARUNORI
18 granted patents·118 citations·filing 2000–2010
93Inventor score
Top patents by PatentIndex Score
18 records- 0187US7332624B2Method for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Feb 19, 2008·17 cites·11 claims
- 0282US7183428B2Method for production of acrylic acidNIPPON SHOKUBAI CO INC·Filed 2004·Granted Feb 27, 2007·15 cites·7 claims
- 0381US7038079B2Method for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2003·Granted May 2, 2006·11 cites·6 claims
- 0479US6713648B2Method for absorbing acrylic acid and method for purifying acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Mar 30, 2004·9 cites·10 claims
- 0577US7511172B2Method for production of (meth)acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2007·Granted Mar 31, 2009·6 cites·3 claims
- 0677US7151194B2Method for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Dec 19, 2006·9 cites·12 claims
- 0776US6848501B2Method for preventing plate type heat exchanger from blockageNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Feb 1, 2005·16 cites·19 claims
- 0875US7109372B2Method for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Sep 19, 2006·7 cites·5 claims
- 0967US7321060B2Method for production of acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Jan 22, 2008·4 cites·7 claims
- 1065US7332626B2Method for production of (meth) acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Feb 19, 2008·3 cites·11 claims
- 1163US6888025B2Method for absorbing acrylic acid and method for purifying acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2002·Granted May 3, 2005·10 cites·5 claims
- 1261US7326810B2Method for starting up reactorNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Feb 5, 2008·1 cites·3 claims
- 1359US7102030B2Method for managing operation of gas phase reaction apparatusNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Sep 5, 2006·3 cites·7 claims
- 1459US6566551B2Method for preventing effluent gas pipe from blockingNIPPON CATALYTIC CHEM IND·Filed 2000·Granted May 20, 2003·2 cites·17 claims
- 1556US7429678B2Composite-oxide catalyst and process for production of acrylic acid using said catalystNIPPON CATALYTIC CHEM IND·Filed 2004·Granted Sep 30, 2008·2 cites·3 claims
- 1652US6825381B2Method and apparatus for absorbing (meth) acrylic acidNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Nov 30, 2004·3 cites·14 claims
- 1746US7205429B2Method for disposal of waste from acrylic acid process and acrylic ester processNIPPON CATALYTIC CHEM IND·Filed 2003·Granted Apr 17, 2007·0 cites·9 claims
- 1843US8704000B2Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in product (meth)acrylic acidSAKAMOTO KAZUHIKO·Filed 2010·Granted Apr 22, 2014·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →