Growing community of inventors

San Ramon, CA, United States of America

Mathew Sheffield

Average Co-Inventor Count = 5.00

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 = 10

Mathew Sheffield ↔ Paul K Shufflebotham (1 patent)Mathew Sheffield ↔ Robert Michael Martinson (1 patent)Mathew Sheffield ↔ Heinrich Von Bunau (1 patent)Mathew Sheffield ↔ Kevin Lynch (1 patent)Mathew SheffieldMathew Sheffield (1 patent)Paul K ShufflebothamPaul K Shufflebotham (21 patents)Robert Michael MartinsonRobert Michael Martinson (12 patents)Heinrich Von BunauHeinrich Von Bunau (7 patents)Kevin LynchKevin Lynch (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Apollo Precision Kunming Yuanhong Limited (1 from 7 patents)


1 patent:

1. 9303316 - Continuous web apparatus and method using an air to vacuum seal and accumulator

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as of
12/26/2025
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