Inventor · disambiguated record
Makoto Takagawa
Also filed as: TAKAGAWA MAKOTO
30 granted patents·245 citations·filing 1979–2000
97Inventor score
Top patents by PatentIndex Score
30 records- 0193US4666945ACatalyst composition suitable for synthesis of methanolMITSUBISHI GAS CHEMICAL CO·Filed 1985·Granted May 19, 1987·52 cites·4 claims
- 0288US5371293AProcess for producing bisaminomethylcyclohexaneMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Dec 6, 1994·29 cites·2 claims
- 0378US5859294AProcess for the production of high-purity naphthalenedicarboxylic acidMITSUBISHI GAS CHEMICAL CORP I·Filed 1997·Granted Jan 12, 1999·23 cites·18 claims
- 0475US6452047B1Process for producing highly pure aromatic polycarboxylic acidMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Sep 17, 2002·7 cites·22 claims
- 0574US6504069B1Process for producing dimethyltetralinMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Jan 7, 2003·8 cites·12 claims
- 0669US6072098AProcess for producing highly pure 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Jun 6, 2000·12 cites·10 claims
- 0764US5948949AProcess for producing 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Sep 7, 1999·10 cites·18 claims
- 0861US5367098AProcess for producing monoalkenyl armomatic hydrocarbon compoundMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Nov 22, 1994·7 cites·16 claims
- 0960US4894188AProcess for producing fatty acids and their ester derivativesMITSUBISHI GAS CHEMICAL CO·Filed 1985·Granted Jan 16, 1990·6 cites·11 claims
- 1058US5872291AProcess for producing benzoyl chloridesMITSUBISHI GAS CHEMICAL CO·Filed 1997·Granted Feb 16, 1999·7 cites·6 claims
- 1157US5481055AMethod for isomerizing dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1995·Granted Jan 2, 1996·7 cites·12 claims
- 1257US4311867AProcess for isomerizing hydrocarbonsMITSUBISHI GAS CHEMICAL CO·Filed 1980·Granted Jan 19, 1982·5 cites·15 claims
- 1355US5396007AProcess for production of dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Mar 7, 1995·6 cites·20 claims
- 1454US5334794AProcess for producing monoalkenyl aromatic hydrocarbon compoundMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Aug 2, 1994·5 cites·15 claims
- 1553US5396008AProcess for production of dimethyltetralinMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Mar 7, 1995·6 cites·14 claims
- 1652US5495060AMethod for isomerizing dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Feb 27, 1996·5 cites·14 claims
- 1752US5068480AProcess for producing 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Nov 26, 1991·5 cites·9 claims
- 1851US5446226AProcess for producing dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Aug 29, 1995·4 cites·18 claims
- 1951US4311868AProcess for converting hydrocarbonMITSUBISHI GAS CHEMICAL CO·Filed 1979·Granted Jan 19, 1982·3 cites·20 claims
- 2050US4916104ACatalyst composition for decomposition of methanolMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Apr 10, 1990·8 cites·11 claims
- 2149US5254769AMethod of isomerization of dimethylnaphthalenesMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Oct 19, 1993·4 cites·17 claims
- 2248US5599981AProcess for producing alkylbenzoyl chlorideMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Feb 4, 1997·3 cites·7 claims
- 2347US5321178AProcess for producing 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Jun 14, 1994·3 cites·19 claims
- 2446US5436381AProcess for producing a monoalkenyl aromatic hydrocarbon compoundMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Jul 25, 1995·3 cites·19 claims
- 2546US5276230AProcess for production of 2,6-dimethylnaphthaleneMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Jan 4, 1994·3 cites·12 claims
- 2645US5527977AProcess for producing monoalkenyl aromatic hydrocarbon compoundMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Jun 18, 1996·3 cites·42 claims
- 2743US5700944AProcess for the production of pyridinecarboxylic acidsMITSUBISHI GAS CHEMICAL CO·Filed 1996·Granted Dec 23, 1997·2 cites·16 claims
- 2841US5659097AProcess for producing a monoalkenyl aromatic hydrocarbon compoundMITSUBISHI GAS CHEMICAL CO·Filed 1995·Granted Aug 19, 1997·2 cites·20 claims
- 2941US5344806AProcess for producing monoalkenyl aromatic hydrocarbon compoundMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Sep 6, 1994·2 cites·21 claims
- 3036US5444172AProcess for producing a monoalkenyl aromatic hydrocarbon compoundMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Aug 22, 1995·5 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →