Average Co-Inventor Count = 4.00
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. Katayama Kogyo Co., Ltd. (2 from 19 patents)
2 patents:
1. 8522485 - Vehicle sash door and protector and center channel for the same
2. 8151520 - Vehicle sash door and protector and center channel for the same