Inventor · disambiguated record
Akifumi Iida
Also filed as: IIDA AKIFUMI
8 granted patents·2 pending applications·8 citations·filing 2007–2021
77Inventor score
Top patents by PatentIndex Score
10 records- 0185US11352318B2Production method for dicyanocyclohexaneMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Jun 7, 2022·2 cites·16 claims
- 0279US10906865B2Method for producing 1,4-dicyanocyclohexane, 1,4-bis(aminomethyl)cyclohexane and 1,4-cyclohexanedicarboxylic acidMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Feb 2, 2021·2 cites·10 claims
- 0377US9084985B2Method for producing alicyclic carboxylic acid and catalyst used in sameIIDA AKIFUMI·Filed 2012·Granted Jul 21, 2015·4 cites·5 claims
- 0460US11584705B2Production method for cyclohexanedicarboxylic acid compound, dicyanocyclohexane compound and bis(aminomethyl)cyclohexane compoundMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Feb 21, 2023·0 cites·20 claims
- 0557US11572338B2Method for producing dicyanocyclohexane and bis(aminomethyl)cyclohexaneMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Feb 7, 2023·0 cites·20 claims
- 0656US11472765B2Production method for 1,4-cyclohexanedicarboxylic acid derivative, 1,4-dicyanocyclohexane and 1,4-bis(aminomethyl)cyclohexaneMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Oct 18, 2022·0 cites·17 claims
- 0751US2023250047A1Method for isomerizing aliphatic diamine, method for producing diisocyanate, method for producing polyurethane, and polyurethaneMITSUBISHI GAS CHEMICAL CO·Filed 2021·Application pending·0 cites
- 0849US8080676B2Method of producing S-(−)-6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid and product obtained by the methodIIDA AKIFUMI·Filed 2007·Granted Dec 20, 2011·0 cites·9 claims
- 0948US11542222B2Method for preparing dicyanoalkane and bis(aminomethyl) alkaneMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Jan 3, 2023·0 cites·20 claims
- 1047US2010330625A1Process for production of optically active indoline-2-carboxylic acid or derivative thereofMITSUBISHI GAS CHEMICAL CO·Filed 2009·Application pending·0 cites
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