Average Co-Inventor Count = 6.00
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. Minnesota Mining and Manufacturing Company (1 from 7,865 patents)
2. 3m Innovative Porperties Company (1 from 1 patent)
2 patents:
1. 6256166 - Tape cassette for cleaning VCR heads and transport components
2. 5841613 - Tape cassette for cleaning VCR heads and transport components