Average Co-Inventor Count = 2.53
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. Shimano Inc. (4 from 3,300 patents)
4 patents:
1. 8678308 - Dual-bearing reel drag sound producing device
2. 7819353 - Fishing reel, fishing information display apparatus, and fishing information display system
3. 7188793 - Electronic circuit device for fishing equipment
4. 6983907 - Breaking device for a dual bearing reel