Average Co-Inventor Count = 1.85
ph-index = 2
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. Nishikawa Rubber Co., Ltd. (3 from 231 patents)
3 patents:
1. 10272757 - Sealing structure of door weather strip
2. 7083222 - Mounting structure of weather strip
3. 6814382 - Car door structure and noise insulation sheet