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San Jose, CA, United States of America

John C Hall

This inventor holds 5 USPTO granted patents. Top assignee: Altus Corporation. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John C Hall. Retrieved from https://idiyas.com/inventor/john-c-hall-ynbc5sb8

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 48(Granted Patents)

Company Filing History:

Altus Corporation

Years Active: 1989-1990

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4902588 - Electrolyte additives to improve voltage regulation in the (1990-02-20),

2. 4892796 - Positive current collector for lithium secondary system (1990-01-09),

3. 4873158 - Overdischarge protection for rechargeable cells (1989-10-10),

4. 4863815 - Cell design for spirally wound rechargeable alkaline metal cell (1989-09-05),

5. 4844993 - Additive to improve voltage regulation in a lithium-copper chloride (1989-07-04),

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]

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