Average Co-Inventor Count = 1.11
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 Industrial Co., Ltd. (5 from 444 patents)
5 patents:
1. 4173317 - Sound generating mechanism for a spinning reel
2. 4153219 - Fishing reel
3. 3993264 - Fishing reel
4. 3990323 - Device for rotating a spool of a fishing reel
5. 3974977 - Fishing reel