Average Co-Inventor Count = 3.58
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. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)
2. Imation Corporation (1 from 621 patents)
4 patents:
1. 5690326 - Picking-up device for photographic film sheets
2. 5626957 - Antistatic x-ray intensifying screen comprising sulfonyl methide and
3. 5571665 - Silver halide photographic material having improved antistatic properties
4. 5541049 - Silver halide photographic material having improved antistatic properties