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Los Angeles, CA, United States of America

John D Calkins

Average Co-Inventor Count = 2.40

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 = 2

John D CalkinsRichard Berger (2 patents)John D CalkinsGeorge G Christoph (1 patent)John D CalkinsBrian K Treadway (1 patent)John D CalkinsHenry L Hacking (1 patent)John D CalkinsJohn D Calkins (3 patents)Richard BergerRichard Berger (38 patents)George G ChristophGeorge G Christoph (1 patent)Brian K TreadwayBrian K Treadway (1 patent)Henry L HackingHenry L Hacking (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sony Pictures Technologies Inc. (2 from 33 patents)

2. Other (1 from 832,966 patents)

3. Sony Corporation (1 from 58,132 patents)

4. Sony Group Corporation (1 from 3,509 patents)


3 patents:

1. 11823220 - Access to media bites

2. 10433021 - Geolocation based content delivery network system, method and process

3. 8856808 - Event triggered actions based on media action table

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as of
1/15/2026
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