Growing community of inventors

Stillwater, MN, United States of America

John S Luk

Average Co-Inventor Count = 3.00

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 = 15

John S Luk ↔ Dennis G Welygan (1 patent)John S Luk ↔ Steven J Keipert (1 patent)John S LukJohn S Luk (1 patent)Dennis G WelyganDennis G Welygan (40 patents)Steven J KeipertSteven J Keipert (39 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. 3m Innovative Properties Company (1 from 14,059 patents)


1 patent:

1. 6645263 - Cellular abrasive article

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12/6/2025
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