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. Hitachi-kokusai Electric Inc. (2 from 1,257 patents)
2. Nec Corporation (1 from 35,658 patents)
3 patents:
1. 11170221 - Object search system, object search device, and object search method
2. 10449982 - Wireless communication system, wireless communication device, wireless communication method, movable fence control system, communication device, and movable fence device
3. 10038669 - Path control system, control device, and path control method