Inventor · disambiguated record
Hirokazu Hosaka
Also filed as: HOSAKA HIROKAZU
12 granted patents·87 citations·filing 1973–1980
90Inventor score
Files withSUMITOMO CHEMICAL CO12
Top patents by PatentIndex Score
12 records- 0184US4308110AProcess for separation and purification of dihydric phenolsSUMITOMO CHEMICAL CO·Filed 1980·Granted Dec 29, 1981·21 cites·5 claims
- 0282US3933921AProcess for the production of hydroperoxidesSUMITOMO CHEMICAL CO·Filed 1973·Granted Jan 20, 1976·14 cites·6 claims
- 0377US3953521AProcess for the continuous production of dihydroperoxidesSUMITOMO CHEMICAL CO·Filed 1975·Granted Apr 27, 1976·12 cites·4 claims
- 0466US4336109AMethod for the recovery of acetoneSUMITOMO CHEMICAL CO·Filed 1980·Granted Jun 22, 1982·8 cites·5 claims
- 0564US4059637AMethod for extraction of dihydroperoxideSUMITOMO CHEMICAL CO·Filed 1975·Granted Nov 22, 1977·7 cites·6 claims
- 0664US4021495APurification of β-naphtholSUMITOMO CHEMICAL CO·Filed 1975·Granted May 3, 1977·6 cites·7 claims
- 0758US3932528AProcess for the separation of dihydroperoxidesSUMITOMO CHEMICAL CO·Filed 1973·Granted Jan 13, 1976·5 cites·1 claims
- 0853US3969420AProcess for recovering resorcinol and hydroquinone in mixtureSUMITOMO CHEMICAL CO·Filed 1973·Granted Jul 13, 1976·4 cites·9 claims
- 0942US4032581AMethod for separation of m- or p-cresolSUMITOMO CHEMICAL CO·Filed 1975·Granted Jun 28, 1977·2 cites·22 claims
- 1040US3950431AProcess for removing impurities in an oxidation mixtureSUMITOMO CHEMICAL CO·Filed 1973·Granted Apr 13, 1976·7 cites·12 claims
- 1137US4049720AProcess for producing β-isopropyl-naphthalene hydroperoxideSUMITOMO CHEMICAL CO·Filed 1975·Granted Sep 20, 1977·1 cites·4 claims
- 1230US4044052AProcess for recovery of urea from its phenolic solutionSUMITOMO CHEMICAL CO·Filed 1975·Granted Aug 23, 1977·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →