Inventor · disambiguated record
Tomokazu Umemoto
Also filed as: UMEMOTO TOMOKAZU
7 granted patents·2 pending applications·13 citations·filing 2005–2023
77Inventor score
Top patents by PatentIndex Score
9 records- 0189US9309385B2Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite materialMITSUBISHI CHEM CORP·Filed 2013·Granted Apr 12, 2016·7 cites·10 claims
- 0288US11316112B2Electron-accepting compound and composition for charge-transporting film, and luminescent element using sameMITSUBISHI CHEM CORP·Filed 2018·Granted Apr 26, 2022·4 cites·56 claims
- 0386US12133453B2Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, organic EL lighting, and manufacturing method for organic electroluminescent elementMITSUBISHI CHEM CORP·Filed 2023·Granted Oct 29, 2024·0 cites·37 claims
- 0476US10270035B2Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, and organic EL lighting deviceMITSUBISHI CHEM CORP·Filed 2016·Granted Apr 23, 2019·1 cites·12 claims
- 0572US11943997B2Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, organic EL lighting, and manufacturing method for organic electroluminescent elementMITSUBISHI CHEM CORP·Filed 2020·Granted Mar 26, 2024·0 cites·32 claims
- 0670US11793069B2Electron-accepting compound and composition for charge-transporting film, and luminescent element using sameMITSUBISHI CHEM CORP·Filed 2022·Granted Oct 17, 2023·0 cites·37 claims
- 0768US8771463B2Cellulose fiber assembly and method for preparing the same, fibrillated cellulose fibers and method for preparing the same, and cellulose fiber compositeUMEMOTO TOMOKAZU·Filed 2011·Granted Jul 8, 2014·1 cites·16 claims
- 0849US2007178318A1Silicon-containing liquid compositionMITSUBISHI CHEM CORP·Filed 2005·Application pending·0 cites
- 0949US2014319502A1Coating composition, porous membrane, light scattering membrane, and organic electroluminescent elementMITSUBISHI CHEM CORP·Filed 2014·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Tomokazu Umemoto files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →