Growing community of inventors

San Diego, CA, United States of America

Randall Christopher Black

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 38

Randall Christopher Black ↔ Michael Bancroft Simmonds (28 patents)Randall Christopher Black ↔ Frederick Charles Wellstood (1 patent)Randall Christopher Black ↔ Kurt Gordon Jensen (5 patents)Randall Christopher Black ↔ Steven M Green (1 patent)Randall Christopher Black ↔ Frederick C Wellstood (1 patent)Randall Christopher Black ↔ Yonggyu Gim (1 patent)Randall Christopher Black ↔ Steven M Green (1 patent)Randall Christopher Black ↔ Jost Herman Diederichs (0 patent)Randall Christopher BlackRandall Christopher Black (1 patent)Michael Bancroft SimmondsMichael Bancroft Simmonds (28 patents)Frederick Charles WellstoodFrederick Charles Wellstood (10 patents)Kurt Gordon JensenKurt Gordon Jensen (5 patents)Steven M GreenSteven M Green (5 patents)Frederick C WellstoodFrederick C Wellstood (1 patent)Yonggyu GimYonggyu Gim (1 patent)Steven M GreenSteven M Green (1 patent)Jost Herman DiederichsJost Herman Diederichs (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. University System of Maryland (1 from 1,934 patents)

2. Quantum Design, Inc. (16 patents)

3. Frederick C. Wellstood (0 patent)

4. Randall Christopher Black (0 patent)

5. Steven M. Green (0 patent)

6. Yonggyu Gim (0 patent)


1 patent:

1. 5894220 - Apparatus for microscopic imaging of electrical and magnetic properties

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as of
1/2/2026
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