Inventor · disambiguated record
Amar Kumar De
Also filed as: DE AMAR K · DE AMAR KUMAR
6 granted patents·6 pending applications·1 citations·filing 2012–2025
69Inventor score
Top patents by PatentIndex Score
12 records- 0183US11352683B2Production of HIC-resistant pressure vessel grade plates using a low-carbon compositionARCELORMITTAL·Filed 2020·Granted Jun 7, 2022·1 cites·17 claims
- 0276US12104232B2Ultra-high strength hot-rolled steel with toughness and method of making sameBIG RIVER STEEL LLC·Filed 2023·Granted Oct 1, 2024·0 cites·4 claims
- 0376US2024425958A1Ultra-high strength hot-rolled steel with toughness and method of fabricating sameBIG RIVER STEEL LLC·Filed 2024·Application pending·0 cites
- 0467US12421585B2Railroad tank cars formed of low-carbon, high toughness, steel platesARCELORMITTAL·Filed 2019·Granted Sep 23, 2025·0 cites·11 claims
- 0567US2025369080A1Method of forming low-carbon, high toughness, steel plates for railroad tank carsARCELORMITTAL·Filed 2025·Application pending·0 cites
- 0664US11802327B1Ultra-high strength hot-rolled steel with toughness and method of making sameBIG RIVER STEEL LLC·Filed 2020·Granted Oct 31, 2023·0 cites·1 claims
- 0761US10829839B2Production of HIC-resistant pressure vessel grade plates using a low-carbon compositionARCELORMITTAL·Filed 2015·Granted Nov 10, 2020·0 cites·1 claims
- 0860US2025101555A1Method For Producing Super High Strength Nano-Precipitation Strengthened, Single Phase Ferritic SteelBIG RIVER STEEL LLC·Filed 2024·Application pending·0 cites
- 0957US2024026480A1Nano-precipitation strengthened cold-rolled batch annealed high strength low alloy steel sheetBIG RIVER STEEL LLC·Filed 2023·Application pending·0 cites
- 1051US11060169B2Ni—Al base material having optimized oxidation resistant at high temperatures and furnace transfer rolls made therefromARCELORMITTAL·Filed 2013·Granted Jul 13, 2021·0 cites·20 claims
- 1140US2012247606A1Low-Molybdenum, High-Strength Low-Alloy 80 ksi Steel Plates Formed by Temperature-Controlled Rolling Without Accelerated CoolingDE AMAR K·Filed 2012·Application pending·0 cites
- 1240US2012247605A1Molybdenum-Free, High-Strength, Low-Alloy X80 Steel Plates Formed by Temperature-Controlled Rolling Without Accelerated CoolingDE AMAR K·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →