Average Co-Inventor Count = 3.75
ph-index = 1
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 (2 from 1,008 patents)
2. Toppan Printing Co., Ltd. (1 from 1,268 patents)
2 patents:
1. 7531940 - Ion introducer employing piezoelectric bimorph element
2. 4890770 - Dispensing and closing package for liquid products