Average Co-Inventor Count = 1.60
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. Ryobi Limited (1 from 546 patents)
2. Kabushiki Kaisha Johshuya (1 from 2 patents)
2 patents:
1. 6227474 - Spinning reel with tension roller for preventing fishing line twist
2. 5878972 - Release preventing device for fishing reel