Growing community of inventors

Lelystad, Netherlands

Sierk Fedde Spoelstra

Average Co-Inventor Count = 2.00

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 = 14

Sierk Fedde SpoelstraStephen Philip Mann (1 patent)Sierk Fedde SpoelstraSierk Fedde Spoelstra (1 patent)Stephen Philip MannStephen Philip Mann (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 6326037 - Microorganisms and their use in treating animal feed and silage

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