Growing community of inventors

Zwolle, Netherlands

Jan H Held

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 = 2

Jan H HeldAntonius J Eijkelenkamp (1 patent)Jan H HeldGerardus J Rientjes (1 patent)Jan H HeldJan H Held (1 patent)Antonius J EijkelenkampAntonius J Eijkelenkamp (2 patents)Gerardus J RientjesGerardus J Rientjes (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (1 from 14,087 patents)


1 patent:

1. 4559581 - Electrolytic capacitor

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