Average Co-Inventor Count = 6.00
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. Hitachi Construction Machinery Co., Ltd. (3 from 1,504 patents)
3 patents:
1. 12497758 - Work machine and remote operation system of work
2. 12060697 - Work machine for determining condition for recording and retaining video
3. 11933023 - Construction machine