Inventor · disambiguated record
Fumitaka Watanabe
Also filed as: WATANABE FUMITAKA
10 granted patents·6 pending applications·39 citations·filing 1977–2023
81Inventor score
Top patents by PatentIndex Score
16 records- 0185US6689336B2Carbon foam, graphite foam and production processes of theseMITSUBISHI GAS CHEMICAL CO·Filed 2002·Granted Feb 10, 2004·36 cites·20 claims
- 0266US2025343248A1Gas diffusion electrode base material and method for producing same, and fuel cellTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 0364US2025226424A1Gas diffusion electrode, fuel cell, and transportation deviceTORAY INDUSTRIES·Filed 2023·Application pending·0 cites
- 0461US11710831B2Gas diffusion electrode base material and production method therefor, and solid polymer fuel cellTORAY INDUSTRIES·Filed 2019·Granted Jul 25, 2023·0 cites·15 claims
- 0560US12142768B2Method for producing gas diffusion electrode substrateTORAY INDUSTRIES·Filed 2021·Granted Nov 12, 2024·0 cites·10 claims
- 0659US11757103B2Gas diffusion electrode medium and method for producing the same, gas diffusion electrode, membrane electrode assembly, and polymer electrolyte fuel cellTORAY INDUSTRIES·Filed 2020·Granted Sep 12, 2023·0 cites·15 claims
- 0758US2024154133A1Electrode base material and method for producing sameTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 0856US2024030461A1Gas diffusion electrode base material product and polymer electrolyte fuel cellTORAY INDUSTRIES·Filed 2021·Application pending·0 cites
- 0955US11302951B2Electrode and redox flow batteryTORAY INDUSTRIES·Filed 2017·Granted Apr 12, 2022·0 cites·12 claims
- 1053US11932971B2Method of producing precursor fiber for carbon fiber and carbon fiberTORAY INDUSTRIES·Filed 2019·Granted Mar 19, 2024·0 cites·10 claims
- 1153US11621426B2Micro-porous layer and manufacturing method therefor, gas diffusion electrode substrate, and fuel batteryTORAY INDUSTRIES·Filed 2018·Granted Apr 4, 2023·0 cites·13 claims
- 1252US10950867B2Electrode, redox flow battery, and method for producing electrodeTORAY INDUSTRIES·Filed 2017·Granted Mar 16, 2021·0 cites·11 claims
- 1348US4131355AFinder optical system for single lens reflex photographic camerasOLYMPUS OPTICAL CO·Filed 1977·Granted Dec 26, 1978·3 cites·2 claims
- 1446US12241181B2Carbon fiber bundle and production method thereofTORAY INDUSTRIES·Filed 2020·Granted Mar 4, 2025·0 cites·1 claims
- 1542US2019194829A1Coagulated yarn and manufacturing method thereof, carbon fiber precursor fiber, and method of manufacturing carbon fiberTORAY INDUSTRIES·Filed 2017·Application pending·0 cites
- 1641US2019165379A1Gas diffusion electrode base material, method for producing same, gas diffusion electrode, membrane electrode assembly and solid polymer fuel cellTORAY INDUSTRIES·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →