Growing community of inventors

Kent, OH, United States of America

Roger W Marble

Average Co-Inventor Count = 3.00

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 = 39

Roger W Marble ↔ James G Guspodin (2 patents)Roger W Marble ↔ Dennis W Krupa (1 patent)Roger W Marble ↔ Hisao Ushikubo (1 patent)Roger W MarbleRoger W Marble (2 patents)James G GuspodinJames G Guspodin (119 patents)Dennis W KrupaDennis W Krupa (15 patents)Hisao UshikuboHisao Ushikubo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bridgestone/firestone, Inc. (2 from 342 patents)


2 patents:

1. D402246 - Tire tread

2. D364594 - Tire tread

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/16/2026
Loading…