This inventor holds 4 USPTO granted patents and 5 published patent applications and 1 EPO patent. Top assignees: Genentech, Inc., Hoffmann-La Roche Inc.. Active years: 2024-2026.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Alexander James Stephen Champion De Crespigny. Retrieved from https://idiyas.com/inventor/alexander-james-stephen-champion-de-crespigny
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
USPTO Granted Patents = 4 (Patent Applications = 5)
% Patents Active = 75.0
EPO Patents = 1 (Patent Applications = 5)
Average Co-Inventor Count = 5.5
ph-index = 1
Company Filing History:
4 out of 3,302 
Genentech, Inc.
2 out of 5,027 
Hoffmann-La Roche Inc.
where one patent can have more than one assignee
Years Active: 2024-2026
Loading Chart...
Loading Chart...
4 patents (USPTO):Explore Patents
1. 12731251 - Multi arm machine learning models with attention for lesion segmentation (2026-09-08),
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
5 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Alexander James Stephen Champion De Crespigny. Retrieved from https://idiyas.com/inventor/alexander-james-stephen-champion-de-crespigny
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
1 patent (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
5 patents pending (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]