Average Co-Inventor Count = 2.31
ph-index = 4
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. (5 from 231 patents)
5 patents:
1. 7210730 - Mounting structure of automobile door
2. 6874281 - Weather strip for car without metal insert
3. 6010177 - Weather strip
4. 5851048 - Weather strip
5. 5613326 - Sealing strip for convertible