Inventor · disambiguated record
Takahiro Sugawara
Also filed as: SUGAWARA TAKAHIRO
12 granted patents·119 citations·filing 1985–1995
91Inventor score
Top patents by PatentIndex Score
12 records- 0177US5344969AProcess for purification of naphthalenedicarboxylic acidMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Sep 6, 1994·18 cites·16 claims
- 0276US4906791AProcess for preparing p-cumylphenolMITSUBISHI PETROCHEMICAL CO·Filed 1988·Granted Mar 6, 1990·14 cites·7 claims
- 0372US4568778AProcess for producing tert-amylphenolsMITSUBISHI PETROCHEMICAL CO·Filed 1985·Granted Feb 4, 1986·11 cites·9 claims
- 0471US5589517AModified ion exchange resins and use thereofMITSUBISHI CHEM CORP·Filed 1995·Granted Dec 31, 1996·39 cites·8 claims
- 0563US5175352AProcess for preparing 2,6-naphthalenedicarboxylic acidMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Dec 29, 1992·8 cites·16 claims
- 0662US4937392AProcess for preparing 4,4'-dihydroxydiphenylmethaneMITSUBISHI PETROCHEMICAL CO·Filed 1989·Granted Jun 26, 1990·7 cites·5 claims
- 0756US5196598AProcess for producing polyhydroperoxy aromatic compoundMITSUBISHI PETROCHEMICAL CO·Filed 1991·Granted Mar 23, 1993·6 cites·12 claims
- 0854US5019656AProcess for preparing p-hydroxybenzyl alcoholMITSUBISHI PETROCHEMICAL CO·Filed 1990·Granted May 28, 1991·5 cites·13 claims
- 0949US5220079AProcess for para-methylolating phenol compoundsMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Jun 15, 1993·4 cites·16 claims
- 1048US5442103AProcess for producing 2,6-naphthalenedicarboxylic acidMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Aug 15, 1995·4 cites·9 claims
- 1146US4564713AProcess for producing 4,4'-dihydroxydiphenylsMITSUBISHI PETROCHEMICAL CO·Filed 1985·Granted Jan 14, 1986·3 cites·9 claims
- 1228US5091592AProcess for preparing 4,4'-dihydroxybiphenylMITSUBISHI PETROCHEMICAL CO·Filed 1991·Granted Feb 25, 1992·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →