Inventor
BABBUSH RYAN
US35 patents
⚠️ This page may combine multiple inventors who share the name “BABBUSH RYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GOOGLE LLC
31 patentsUS10275717B2Apr 30, 2019
Training quantum evolutions using sublogical controls
GOOGLE LLC15 citations94
US11244240B2Feb 8, 2022
Fidelity estimation for quantum computing systems
GOOGLE LLC19 citations91
US11681775B2Jun 20, 2023
Plane wave dual basis for quantum simulation
GOOGLE LLC5 citations85
US11763187B2Sep 19, 2023
Training quantum evolutions using sublogical controls
GOOGLE LLC2 citations73
US11562285B2Jan 24, 2023
Training quantum evolutions using sublogical controls
GOOGLE LLC3 citations73
US11055626B2Jul 6, 2021
Training quantum evolutions using sublogical controls
GOOGLE LLC1 citations73
US11270222B2Mar 8, 2022
Quantum phase estimation of multiple eigenvalues
GOOGLE LLC2 citations72
US11894860B2Feb 6, 2024
Decoding errors using quantum subspace expansion
GOOGLE LLC1 citations71
US12265760B2Apr 1, 2025
Techniques for obtaining accurate diagonal electronic structure Hamiltonians
GOOGLE LLC1 citations63
US12210502B2Jan 28, 2025
Performing unitary iteration and indexed operations
GOOGLE LLC0 citations62
US12204990B2Jan 21, 2025
Error corrected variational algorithms
GOOGLE LLC0 citations62
US12175330B2Dec 24, 2024
Training quantum evolutions using sublogical controls
GOOGLE LLC0 citations62
US12153645B2Nov 26, 2024
Plane wave dual basis for quantum simulation
GOOGLE LLC0 citations62
US12147492B2Nov 19, 2024
Operator averaging within quantum computing systems
GOOGLE LLC0 citations62
US11836575B2Dec 5, 2023
Error corrected variational algorithms
GOOGLE LLC1 citations62
US11675763B2Jun 13, 2023
Performing unitary iteration and indexed operations
GOOGLE LLC0 citations62
US11494466B2Nov 8, 2022
Operator averaging within quantum computing systems
GOOGLE LLC0 citations62
US11410071B2Aug 9, 2022
Fermionic simulation gates
GOOGLE LLC0 citations62
US10650321B2May 12, 2020
Quantum phase estimation of multiple eigenvalues
GOOGLE LLC1 citations62
US12261627B2Mar 25, 2025
Decoding errors using quantum subspace expansion
GOOGLE LLC0 citations60
US12229635B2Feb 18, 2025
Fidelity estimation for quantum computing systems
GOOGLE LLC0 citations60
US12210936B2Jan 28, 2025
Decoding errors using quantum subspace expansion
GOOGLE LLC0 citations60
US12346770B2Jul 1, 2025
Variational quantum state preparation
GOOGLE LLC0 citations57
US12008433B2Jun 11, 2024
Variational quantum state preparation
GOOGLE LLC1 citations57
US12299538B2May 13, 2025
Preparing superpositions of computational basis states on a quantum computer
GOOGLE LLC0 citations50
US12086685B2Sep 10, 2024
Majorana loop stabilizer codes for error correction of fermionic quantum simulations
GOOGLE LLC0 citations50
US12079686B2Sep 3, 2024
Targeting many-body eigenstates on a quantum computer
GOOGLE LLC0 citations50
US12450510B2Oct 21, 2025
Increasing representation accuracy of quantum simulations without additional quantum resources
GOOGLE LLC0 citations48
US12175328B2Dec 24, 2024
Efficient fault-tolerant trotter simulation of molecular hamiltonians
GOOGLE LLC0 citations48
US12249404B2Mar 11, 2025
Efficient and noise resilient measurements for quantum chemistry
GOOGLE LLC0 citations45
US12423607B2Sep 23, 2025
Verified quantum phase estimation
GOOGLE LLC0 citations44
HARVARD COLLEGE
4 patentsUS10346748B2Jul 9, 2019
Quantum processor problem compilation
HARVARD COLLEGE16 citations82
US10922617B2Feb 16, 2021
Embedding electronic structure in controllable quantum systems
HARVARD COLLEGE5 citations72
US10417574B2Sep 17, 2019
Embedding electronic structure in controllable quantum systems
HARVARD COLLEGE5 citations72
US10963793B2Mar 30, 2021
Quantum processor problem compilation
HARVARD COLLEGE0 citations59