Average Co-Inventor Count = 6.31
ph-index = 5
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. Kao Corporation (5 from 3,600 patents)
5 patents:
1. 6197282 - Fine ultraviolet screening particles, process for preparing the same, and cosmetic preparation
2. 6090373 - Ultraviolet-screening composite particulate and process for the
3. 5902569 - Ultraviolet shielding composite fine particles, method for producing the
4. 5827507 - Ultraviolet shielding composite fine particles, method for producing the
5. 5618580 - Method for producing ceramic fine particles and apparatus used therefor