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Palm Harbor, FL, United States of America

Ceril T Shagrin

Average Co-Inventor Count = 6.00

ph-index = 2

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 = 803

Ceril T Shagrin ↔ William L Thomas (2 patents)Ceril T Shagrin ↔ Morris Lee (2 patents)Ceril T Shagrin ↔ Daozheng Lu (2 patents)Ceril T Shagrin ↔ Bruce Bernard (2 patents)Ceril T Shagrin ↔ Jia Zhang (2 patents)Ceril T ShagrinCeril T Shagrin (2 patents)William L ThomasWilliam L Thomas (259 patents)Morris LeeMorris Lee (81 patents)Daozheng LuDaozheng Lu (36 patents)Bruce BernardBruce Bernard (4 patents)Jia ZhangJia Zhang (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. A.c. Nielsen Company (1 from 43 patents)

2. Nielsen Media Research, Inc. (1 from 41 patents)


2 patents:

1. 5771307 - Audience measurement system and method

2. 5550928 - Audience measurement system and method

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as of
1/5/2026
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