Inventor · disambiguated record
Tadayoshi Takefumi
Also filed as: TAKEFUMI TADAYOSHI
5 granted patents·53 citations·filing 1989–1998
78Inventor score
Technology areasC07C
Files withMITSUBISHI GAS CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0181US5880310AProcess for producing plasticizer estersMITSUBISHI GAS CHEMICAL CO·Filed 1998·Granted Mar 9, 1999·34 cites·11 claims
- 0264US5011987AProcess for manufacturing high-purity o-toluic acidMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Apr 30, 1991·9 cites·15 claims
- 0359US5463095AProcess for the production of estersMITSUBISHI GAS CHEMICAL CO·Filed 1994·Granted Oct 31, 1995·6 cites·11 claims
- 0439US5208383AProcess for producing aromatic acylation productMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted May 4, 1993·2 cites·14 claims
- 0537US4967011AProcess for decomposing aromatic acylated compound.HF-BF3 complexMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Oct 30, 1990·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →