Average Co-Inventor Count = 2.77
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. International Business Machines Corporation (1 from 164,135 patents)
2. Luossavaara-kiirunavaara Ab (1 from 22 patents)
3. Battelle Institute E.v. (1 from 10 patents)
3 patents:
1. 4558752 - Device for obtaining dust from minerals
2. 4441616 - Process for sorting coarse to fine materials according to their chemical
3. 4161366 - Process and apparatus for the automatic examination of eggs for cracks