Average Co-Inventor Count = 1.60
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. Hitachi, Ltd. (1 from 42,508 patents)
2. Sony Group Corporation (1 from 3,475 patents)
2 patents:
1. 12497265 - Device and method for estimating elevator waiting time
2. 12041337 - Imaging control apparatus, imaging control method, program, and imaging device