Inventor · disambiguated record
Keiji Iwamoto
Also filed as: IWAMOTO KEIJI
11 granted patents·8 pending applications·12 citations·filing 1991–2023
82Inventor score
Files withUBE INDUSTRIES5IWAMOTO KEIJI2UBE CORP2HAMACHI KENJI1MITSUBISHI CHEMICAL AQUA SOLUTIONS CO LTD1
Top patents by PatentIndex Score
19 records- 0166US7247705B2Proteins having glucose transporter activityTAKEDA PHARMACEUTICAL·Filed 2001·Granted Jul 24, 2007·6 cites·4 claims
- 0261US2025215153A1Polyimide precursor composition for flexible wiring boards, polyimide film, and polyimide metal laminateUBE CORP·Filed 2023·Application pending·0 cites
- 0361US2025206883A1Polyimide precursor composition for flexible wiring boards, polyimide film, and polyimide metal laminateUBE CORP·Filed 2023·Application pending·0 cites
- 0459US8900528B2Disc-shaped analysis chipHAMACHI KENJI·Filed 2012·Granted Dec 2, 2014·2 cites·13 claims
- 0557US9758623B2Polyimide precursor and polyimideUBE INDUSTRIES·Filed 2015·Granted Sep 12, 2017·0 cites·34 claims
- 0651US2021330802A1Method for producing antibody-drug conjugateTAKEDA PHARMACEUTICALS CO·Filed 2019·Application pending·0 cites
- 0750US9267940B2Disc-like assay chipROHM CO LTD·Filed 2015·Granted Feb 23, 2016·0 cites·22 claims
- 0848US2014066571A1Polyimide precursor and polyimideTAKASAWA RYOICHI·Filed 2012·Application pending·0 cites
- 0947US7741497B2Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyraneUBE INDUSTRIES·Filed 2004·Granted Jun 22, 2010·0 cites·13 claims
- 1046US7365215B2Process for preparing 4-aminotetrahydropyran compound and an acid salt thereof, synthetic intermediate thereof and process for preparing the sameUBE INDUSTRIES·Filed 2004·Granted Apr 29, 2008·0 cites·12 claims
- 1145US2008306287A1Process for Preparing Tetrahydropyran-4-Carboxylic Acid CompoundUBE INDUSTRIES·Filed 2005·Application pending·0 cites
- 1244US7300953B2Process for preparing nitrile compound, carboxylic acid compound or carboxylic acid ester compoundUBE INDUSTRIES·Filed 2004·Granted Nov 27, 2007·0 cites·5 claims
- 1343US10479917B2Water-soluble cutting/grinding fluidNTN TOYO BEARING CO LTD·Filed 2014·Granted Nov 19, 2019·0 cites·20 claims
- 1442US9005547B2Disc-like assay chipIWAMOTO KEIJI·Filed 2012·Granted Apr 14, 2015·0 cites·9 claims
- 1538US5213980AFibroblast growth factor gene transformed hybridoma and enhanced production of antibodyTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted May 25, 1993·4 cites·6 claims
- 1638US2004101875A1Novel g protein-coupled receptor protein and dna thereofFiled 2001·Application pending·0 cites
- 1737US2004146967A1Novel g protein-coupled receptor protein and dna thereofFiled 2001·Application pending·0 cites
- 1835US11819779B2Chromatographic separation method and chromatographic separation deviceMITSUBISHI CHEMICAL AQUA SOLUTIONS CO LTD·Filed 2019·Granted Nov 21, 2023·0 cites·14 claims
- 1932US2006063711A1Use of sglt homologIWAMOTO KEIJI·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →