Inventor
ABEL STEFAN
CH35 patents
⚠️ This page may combine multiple inventors who share the name “ABEL STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
34 patentsUS9891112B1Feb 13, 2018
Radiation detector
IBM36 citations93
US11009727B2May 18, 2021
Integrated waveguide structure with pockels layer having a selected crystal orientation
IBM12 citations83
US10340661B2Jul 2, 2019
Electro-optical device with lateral current injection regions
IBM13 citations83
US10312441B1Jun 4, 2019
Tunable resistive element
IBM8 citations83
US9703127B2Jul 11, 2017
Waveguide structure
IBM6 citations82
US9417469B2Aug 16, 2016
Waveguide structure
IBM9 citations82
US10657440B2May 19, 2020
Optical synapse for neuromorphic networks
IBM7 citations81
US11521055B2Dec 6, 2022
Optical synapse
IBM2 citations73
US11157807B2Oct 26, 2021
Optical neuron
IBM6 citations73
US10833150B2Nov 10, 2020
Fast recrystallization of hafnium or zirconium based oxides in insulator-metal structures
IBM4 citations73
US11562221B2Jan 24, 2023
Optical synapses
IBM5 citations72
US11138501B2Oct 5, 2021
Hardware-implemented training of an artificial neural network
IBM2 citations72
US10734787B2Aug 4, 2020
Electro-optical device with lateral current injection regions
IBM1 citations72
US10516108B2Dec 24, 2019
Tunable resistive element
IBM3 citations72
US10884315B2Jan 5, 2021
Integrated optical transmission element
IBM2 citations71
US10714242B2Jul 14, 2020
Symmetrically tunable electrical resistor
IBM2 citations71
US10447006B2Oct 15, 2019
Electro-optical device with asymmetric, vertical current injection ohmic contacts
IBM2 citations71
US9715158B1Jul 25, 2017
One-dimensional photonic crystal with pillars having a layer structure
IBM4 citations71
US10957854B2Mar 23, 2021
Tunable resistive element
IBM0 citations62
US10338630B2Jul 2, 2019
Optical computing system
IBM1 citations62
US10228280B2Mar 12, 2019
Optical sensor
IBM1 citations62
US11195085B2Dec 7, 2021
Spiking synaptic elements for spiking neural networks
IBM1 citations61
US10395168B2Aug 27, 2019
Tunable optical neuromorphic network
IBM1 citations60
US11070029B2Jul 20, 2021
Method of forming an electro-optical device with lateral current injection regions
IBM0 citations58
US11042346B2Jun 22, 2021
Artificial cochlea
IBM0 citations57
US10735231B2Aug 4, 2020
Demodulating modulated signals with artificial neural networks
IBM0 citations52
US10228282B2Mar 12, 2019
Optical sensor
IBM0 citations52
US10288980B2May 14, 2019
One-dimensional photonic crystal with pillars having a layer structure
IBM0 citations51
US10007059B2Jun 26, 2018
Semiconductor structure
IBM0 citations51
US9696488B2Jul 4, 2017
Semiconductor structure
IBM0 citations51
US11250315B2Feb 15, 2022
Electrochemical device of variable electrical conductance
IBM0 citations50
US12182719B2Dec 31, 2024
Fixed, random, recurrent matrices for increased dimensionality in neural networks
IBM0 citations45
US12165028B2Dec 10, 2024
Extracting sequences from d-dimensional input data for sequential processing with neural networks
IBM0 citations45
US10727404B1Jul 28, 2020
Tunable resistive element
IBM0 citations36