Average Co-Inventor Count = 5.33
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. Shiseido Company, Limited (3 from 1,007 patents)
2. Topy Industries, Limited (2 from 11 patents)
3. Toby Kogyo K. K. (1 from 2 patents)
4. Topy Kogyo K.k. (1 from 1 patent)
4 patents:
1. 5741355 - Pearlescent pigment, and paint composition, cosmetic material, ink and
2. 5320674 - Ultraviolet ray screening agent
3. 5094852 - Synthetic mica powder, manufacturing method thereof and cosmetics having
4. 5023065 - Synthetic mica powder, manufacturing method thereof and cosmetics having