Average Co-Inventor Count = 1.50
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. Hoshino Gakki Co., Ltd. (5 from 153 patents)
5 patents:
1. D994763 - Guitar
2. D994764 - Guitar
3. D967248 - Guitar
4. D926871 - Electric guitar
5. D862576 - Electric guitar