Growing community of inventors

Churchville, NY, United States of America

Michael J Chapman

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 = 7

Michael J ChapmanChristopher J Kralles (2 patents)Michael J ChapmanJohn G Weigand (2 patents)Michael J ChapmanThomas C Merle (1 patent)Michael J ChapmanDavid L Rowden (1 patent)Michael J ChapmanMichael J Chapman (3 patents)Christopher J KrallesChristopher J Kralles (14 patents)John G WeigandJohn G Weigand (8 patents)Thomas C MerleThomas C Merle (23 patents)David L RowdenDavid L Rowden (17 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eastman-kodak Company (3 from 21,594 patents)


3 patents:

1. 6435743 - Printing apparatus

2. 6227731 - Printing apparatus

3. 5531008 - Method and apparatus for making a bubble spring assembly

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as of
12/5/2025
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