Growing community of inventors

Hr Almelo, Netherlands

Martin J Spanjer

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 = 52

Martin J Spanjer ↔ Richard A Brault (1 patent)Martin J Spanjer ↔ Dianne B Croteau (1 patent)Martin J Spanjer ↔ Jonathan Vinden (1 patent)Martin J Spanjer ↔ Ruud P Koorn (1 patent)Martin J SpanjerMartin J Spanjer (1 patent)Richard A BraultRichard A Brault (11 patents)Dianne B CroteauDianne B Croteau (10 patents)Jonathan VindenJonathan Vinden (4 patents)Ruud P KoornRuud P Koorn (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Duranamics International Inc. (1 from 1 patent)


1 patent:

1. 4895173 - Spineboards

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/13/2026
Loading…