Average Co-Inventor Count = 3.00
ph-index = 1
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. Nhk Spring Co., Ltd. (2 from 1,233 patents)
2 patents:
1. 12482495 - Head driving device configured to move a head member relative to tape as a recording medium and configured to stably hold the head member
2. 11900975 - Head driving device