Average Co-Inventor Count = 4.44
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. Nippon Telegraph and Telephone Corporation (1 from 5,290 patents)
2. Kosé Corporation (1 from 1 patent)
2 patents:
1. 6759052 - Cosmetic composition
2. 4918504 - Active matrix cell