Average Co-Inventor Count = 3.00
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. Shimano Inc. (5 from 3,300 patents)
5 patents:
1. 12185704 - Fishing rod
2. 6269585 - Inner rod for a hollow collapsible fishing rod
3. 5946845 - Inner rod for a hollow collapsible fishing rod
4. 5577338 - Hollow collapsible fishing rod with fishline guide
5. 5194207 - Fishing rod manufacturing method