% Expired Patents = 33.3

EPO Patents = 1

Forward Citations = 180

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3 inventors (with patents filed for the assignee):

Karl K Johe (3 out of 25 patents)

Renji Yang (1 out of 2 patents)

David C Bowen (1 out of 4 patents)

3 patents: Sort by Forward Citations

1. 7544511 - Stable neural stem cell line methods (2009-06-09),

2. 6284539 - Method for generating dopaminergic cells derived from neural precursors (2001-09-04),

3. 6040180 - In vitro generation of differentiated neurons from cultures of mammalian (2000-03-21),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#13 in College Park, MD

#1,106 in Maryland

#73,904 in US

College Park, MD, United States of America

Neuralstem Biopharmaceuticals Ltd.

Forward Citations = 180

3 inventors:

Karl K Johe (3 out of 25 patents)

Renji Yang (1 out of 2 patents)

David C Bowen (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Neuralstem Biopharmaceuticals Ltd.. Retrieved from https://idiyas.com/company/neuralstem-biopharmaceuticals

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]

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]