Inventor · disambiguated record
Kengo Tsukahara
Also filed as: TSUKAHARA KENGO
7 granted patents·54 citations·filing 1989–2004
84Inventor score
Files withMITSUBISHI GAS CHEMICAL CO7
Top patents by PatentIndex Score
7 records- 0175US4963687AProcess for producing cyanopyridinesMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Oct 16, 1990·14 cites·5 claims
- 0271US7468342B2Catalysts and process for producing aromatic aminesMITSUBISHI GAS CHEMICAL CO·Filed 2002·Granted Dec 23, 2008·13 cites·21 claims
- 0371US4985581ACatalyst and process for producing aromatic nitrilesMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Jan 15, 1991·9 cites·6 claims
- 0453US7179945B2High-selective production method of di(aminomethyl)-substituted aromatic compoundMITSUBISHI GAS CHEMICAL CO·Filed 2004·Granted Feb 20, 2007·1 cites·5 claims
- 0548US5070059ACatalyst for producing aromatic nitrilesMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Dec 3, 1991·3 cites·1 claims
- 0646US5354543AApparatus for use in producing hydrogen cyamideMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Oct 11, 1994·6 cites·1 claims
- 0739US4965060AProcess for producing hydrogen cyanide and appartus for use in the processMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Oct 23, 1990·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →