Average Co-Inventor Count = 4.61
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 Industrial Equipment Systems Co., Ltd. (3 from 493 patents)
3 patents:
1. 12021681 - Communication device, surveillance server, and log collection method
2. 10261511 - Mobile body and position detection device
3. 9804605 - Position identification device and mobile robot provided with same