Average Co-Inventor Count = 3.43
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. Wako Pure Chemical Industries, Inc. (2 from 299 patents)
2. Mandom Corporation (1 from 14 patents)
2 patents:
1. 5840291 - Base material for hair cosmetics
2. 5760136 - Silicon-containing block copolymer