Inventor · disambiguated record
Masayasu Ishibashi
Also filed as: ISHIBASHI MASAYASU
20 granted patents·2 pending applications·154 citations·filing 1987–2014
94Inventor score
Files withMITSUI PETROCHEMICAL IND7MITSUI CHEMICALS INC6SHIKIBO LTD4OHKUBO TSUNEYUKI2FUJIWARA KENJI1
Top patents by PatentIndex Score
22 records- 0184US7138167B2Preform precursor for fiber-reinforced composite material, preform for fiber-reinforced composite material, and method of manufacturing the precursor and the preformSHIKIBO LTD·Filed 2002·Granted Nov 21, 2006·33 cites·19 claims
- 0279US5254766AProcess for producing alkyl-substituted aromatic hydrocarbon using heteropolyacid saltsMITSUI PETROCHEMICAL IND·Filed 1991·Granted Oct 19, 1993·18 cites·11 claims
- 0375US5639719ALubricating oil containing aromatic ether compoundsMITSUI PETROCHEMICAL IND·Filed 1995·Granted Jun 17, 1997·30 cites·8 claims
- 0473US8552239B2Olefin production processOHKUBO TSUNEYUKI·Filed 2010·Granted Oct 8, 2013·2 cites·8 claims
- 0573US7384585B2Method for producing dry preform for composite materialSHIKIBO LTD·Filed 2003·Granted Jun 10, 2008·12 cites·4 claims
- 0673US4891453AProcess for producing p,p'-biphenolMITSUI PETROCHEMICAL IND·Filed 1988·Granted Jan 2, 1990·11 cites·5 claims
- 0773US4891465AProcess for producting alkyl group-substituted aromatic hydrocarbonsMITSUI PETROCHEMICAL IND·Filed 1987·Granted Jan 2, 1990·11 cites·16 claims
- 0870US8991641B2Pressure vessel and method of manufacturing the sameOZAWA TETSUYA·Filed 2011·Granted Mar 31, 2015·2 cites·2 claims
- 0969US7114319B2Unidirectional long fiber three dimensional fiber structure produced by short fiber intertwining and production method thereofSHIKIBO LTD·Filed 2003·Granted Oct 3, 2006·9 cites·3 claims
- 1068US5872284AMethod for purifying crude naphthalenedicarboxylic acidMITSUI CHEMICALS INC·Filed 1996·Granted Feb 16, 1999·11 cites·14 claims
- 1165US5847227AMethod for producing aryl alkyl hydroperoxidesMITSUI PETROCHEMICAL IND·Filed 1996·Granted Dec 8, 1998·7 cites·11 claims
- 1254US9682896B2Production method for olefin, and dehydration catalyst employed in sameMITSUI CHEMICALS INC·Filed 2014·Granted Jun 20, 2017·0 cites·7 claims
- 1353US2016052233A1Composite lightweight fittingSHIKIBO LTD·Filed 2014·Application pending·0 cites
- 1452US8546633B2Method for producing alkylated aromatic compound, method for producing cumene, and method for producing phenolFUJIWARA KENJI·Filed 2009·Granted Oct 1, 2013·0 cites·17 claims
- 1550US8536394B2Process for producing alkylated aromatic compounds and process for producing phenolsOHKUBO TSUNEYUKI·Filed 2010·Granted Sep 17, 2013·0 cites·10 claims
- 1649US9567266B2Olefin production methodMITSUI CHEMICALS INC·Filed 2012·Granted Feb 14, 2017·0 cites·15 claims
- 1749US5003113AProcess of producing isopropylnaphtholsMITSUI PETROCHEMICAL IND·Filed 1989·Granted Mar 26, 1991·3 cites·8 claims
- 1838US6506931B1Process for producing aromatic carboxylic acidMITSUI CHEMICALS INC·Filed 2000·Granted Jan 14, 2003·0 cites·5 claims
- 1938US2004247845A1Composite material-use fiber base materialFiled 2002·Application pending·0 cites
- 2036US5811513AProcess for producing polyethylene naphthalateMITSUI PETROCHEMICAL IND·Filed 1996·Granted Sep 22, 1998·5 cites·23 claims
- 2134US6028193AMethod for producing aryl aklyl hydroperoxidesMITSUI CHEMICALS INC·Filed 1999·Granted Feb 22, 2000·0 cites·4 claims
- 2234US5945572AMethod for producing aryl alkyl hydroperoxidesMITSUI CHEMICALS INC·Filed 1998·Granted Aug 31, 1999·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →