Average Co-Inventor Count = 2.25
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. Mitsubishi Pencil Kabushiki Kaisha (3 from 196 patents)
2. Hanix Co., Ltd. (1 from 3 patents)
3 patents:
1. 5733344 - Temporary hair dyes containing a dispersant, titanium black, pigments
2. 5693313 - Teeth coating liquid
3. 5478552 - Liquid cosmetic composition