Average Co-Inventor Count = 2.25
ph-index = 3
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.
Company Filing History:
1. Claas Ohg (3 from 91 patents)
3 patents:
1. 4928460 - Self-propelling field chopping machine
2. 4903470 - Self-propelling harvester thresher with two-part cutting mechanism
3. 4884993 - Harvester thresher