Average Co-Inventor Count = 2.00
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. Sekisui Seikei, Ltd. (1 from 3 patents)
1 patent:
1. 8012568 - Laminated shape-retainable sheet, core for brim of headwear using the same, brim of headwear, and headwear