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Boca Raton, FL, United States of America

Stephen B Greenspan

This inventor holds 6 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1979-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen B Greenspan. Retrieved from https://idiyas.com/inventor/stephen-b-greenspan

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

Calculating rank

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 98(Granted Patents)

Location History:

Reston, VA (US) (1979 - 1980)
Boca Raton, FL (US) (1979 - 1985)

Company Filing History:

6 out of 166,425

International Business Machines Corporation

Years Active: 1979-1985

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4502100 - Cooling system with counter flow of coolant (1985-02-26),

2. 4259366 - Fabrication method for forming FET gate electrode (1981-03-31),

3. 4212026 - Merged array PLA device, circuit, fabrication method and testing (1980-07-08),

4. 4177452 - Electrically programmable logic array (1979-12-04),

5. 4140967 - Merged array PLA device, circuit, fabrication method and testing (1979-02-20),

6. 4140921 - Generalized performance power optimized PLA circuits (1979-02-20),

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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