Average Co-Inventor Count = 3.86
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. Shoei Limited Co. (3 from 123 patents)
2. Ns West Inc. (3 from 3 patents)
3 patents:
1. 12089683 - Head up display device and helmet
2. 12078503 - Display light emitting device
3. 11651714 - Display light emission device, head-up display device, image display system, and helmet