Growing community of inventors

Arnhem, Netherlands

Marietta Cramer

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 = 12

Marietta CramerEgenius A Giezen (1 patent)Marietta CramerGerrit D Van Houwelingen (1 patent)Marietta CramerMarietta Cramer (1 patent)Egenius A GiezenEgenius A Giezen (8 patents)Gerrit D Van HouwelingenGerrit D Van Houwelingen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Akzona Incorporated (1 from 511 patents)


1 patent:

1. 4189942 - Temperature indicating device using a pressure sensitive polyisobutylene

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/17/2025
Loading…