Average Co-Inventor Count = 7.30
ph-index = 2
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. Kozponti Banyaszati Fejlesztesi Intezet (2 from 7 patents)
2. Banyaszati Kutato Intezet (1 from 6 patents)
3. Varpalotai Szenbanyak (1 from 1 patent)
4. Varpalotai Szenbenyak (1 from 1 patent)
3 patents:
1. 4547098 - Mining equipment, mainly for extraction of heavy beds
2. 4386878 - Mining equipment, mainly for extraction of heavy beds
3. 4048803 - Mining shield support apparatus