P

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 patents
US10275717B2Apr 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 patents