Inventor · disambiguated record
Fujihisa Matsunaga
Also filed as: MATSUNAGA FUJIHISA
23 granted patents·359 citations·filing 1977–1996
96Inventor score
Top patents by PatentIndex Score
23 records- 0195US5017729APhenol preparation process and propylene recovery therefromMITSUI PETROCHEMICAL IND·Filed 1989·Granted May 21, 1991·56 cites·5 claims
- 0295US5015786APreparation of cumene through alkylation of an aromatic compound and preparation of phenol through cumeneMITSUI PETROCHEMICAL IND·Filed 1989·Granted May 14, 1991·68 cites·7 claims
- 0377US4933507AMethod of dehydrogenating cyclohexenoneMITSUI PETROCHEMICAL IND·Filed 1988·Granted Jun 12, 1990·27 cites·2 claims
- 0476US5081321APreparation of isopropanolMITSUI PETROCHEMICAL IND·Filed 1990·Granted Jan 14, 1992·46 cites·4 claims
- 0575US4517387AProcess for production of 2,2-bis(4-hydroxyphenyl) propaneMITSUI PETROCHEMICAL IND·Filed 1983·Granted May 14, 1985·17 cites·6 claims
- 0674US5227563APreparation of propylene by dehydration of isopropanol in the presence of a pseudo-boehmite derived gamma alumina catalystMITSUI PETROCHEMICAL IND·Filed 1991·Granted Jul 13, 1993·31 cites·6 claims
- 0772US4929762AProcess for producing a phenol and/or a cyclohexanoneMITSUI PETROCHEMICAL IND·Filed 1989·Granted May 29, 1990·23 cites·6 claims
- 0869US5180871AProcess for producing phenolsMITSUI PETROCHEMICAL IND·Filed 1992·Granted Jan 19, 1993·11 cites·8 claims
- 0959US4675444AProcess for producing aminophenolsMITSUI PETROCHEMICAL IND·Filed 1985·Granted Jun 23, 1987·6 cites·8 claims
- 1056US4987260APreparation of anilinesMITSUI PETROCHEMICAL IND·Filed 1988·Granted Jan 22, 1991·5 cites·2 claims
- 1156US4339615AProcess for producing resorcinolMITSUI PETROCHEMICAL IND·Filed 1980·Granted Jul 13, 1982·6 cites·9 claims
- 1255US5847237ACatalyst for ortho-alkylation of phenols, a precursor thereof, and production of ortho-alkylated phenols by use of said catalystHONSHU CHEMICAL IND·Filed 1996·Granted Dec 8, 1998·19 cites·12 claims
- 1354US5763560AMethod of producing styrene derivativesHONSHU CHEMICAL IND·Filed 1996·Granted Jun 9, 1998·7 cites·14 claims
- 1454US4322567AProcess for production of aromatic alcoholsMITSUI PETROCHEMICAL IND·Filed 1980·Granted Mar 30, 1982·5 cites·3 claims
- 1551US5079383AMethod of condensing n-phenyl carbamatesMITSUI PETROCHEMICAL IND·Filed 1990·Granted Jan 7, 1992·4 cites·8 claims
- 1649US4891431AProcess for preparing 2-unsubstituted imidazolesMITSUI PETROCHEMICAL IND·Filed 1987·Granted Jan 2, 1990·3 cites·14 claims
- 1746US4923837AHydrogenation catalystMITSUI PETROCHEMICAL IND·Filed 1988·Granted May 8, 1990·8 cites·7 claims
- 1845US4154967AProcess for preparation of phenolsMITSUI PETROCHEMICAL IND·Filed 1977·Granted May 15, 1979·2 cites·10 claims
- 1944US4288637AProcess for preparation of aromatic hydroperoxidesMITSUI PETROCHEMICAL IND·Filed 1980·Granted Sep 8, 1981·3 cites·8 claims
- 2040US5143644ACarboxylic acid ester compounds, and their related matters and method of producing the sameMITSUI PETROCHEMICAL IND·Filed 1990·Granted Sep 1, 1992·6 cites·28 claims
- 2139US4271322AProcess for preparation of phenolsMITSUI PETROCHEMICAL IND·Filed 1980·Granted Jun 2, 1981·4 cites·6 claims
- 2238US4355190AProcess for recovery of resorcinol from aqueous resorcinol solution containing hydroquinoneMITSUI PETROCHEMICAL IND·Filed 1980·Granted Oct 19, 1982·1 cites·3 claims
- 2336US5545753AProcess for preparing anilines, catalysts used therefor and process for preparing sameMITSUI PETROCHEMICAL IND·Filed 1994·Granted Aug 13, 1996·1 cites·14 claims
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