Average Co-Inventor Count = 3.00
ph-index = 3
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. Daiwa Seiko, Inc. (3 from 602 patents)
3 patents:
1. 5411218 - Bearing type drag mechanism for fishing reel
2. 5372325 - Thumbing ring for fishing reel spools
3. 5370330 - One-way clutch for a fishing reel with an improved contact surface