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Manhattan Beach, CA, United States of America

Robert D Sandell

This inventor holds 7 USPTO granted patents. Top assignee: Trw Limited. Active years: 1987-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert D Sandell. Retrieved from https://idiyas.com/inventor/robert-d-sandell

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

Calculating rank

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 88(Granted Patents)

Company Filing History:

Years Active: 1987-1999

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5872731 - Multi-state Josephson memory (1999-02-16),

2. 5476719 - Superconducting multi-layer microstrip structure for multi-chip modules (1995-12-19),

3. 5398030 - High-performance superconducting digital-to-analog converter employing (1995-03-14),

4. 5331162 - Sensitive, low-noise superconducting infrared photodetector (1994-07-19),

5. 5286336 - Submicron Josephson junction and method for its fabrication (1994-02-15),

6. 4922250 - Superconducting analog-to-digital converter with bidirectional counter (1990-05-01),

7. 4646060 - Superconducting analog-to-digital converter with bidirectional counter (1987-02-24),

I specialize in innovations, inventions, inventors, patent attorneys, and assignees.

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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