Average Co-Inventor Count = 3.00
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, Ltd. (2 from 42,517 patents)
2. Hitachi Construction Machinery Co., Ltd. (1,504 patents)
2 patents:
1. 12105854 - Data intermediary system and data intermediary method
2. 12093415 - Data intermediary system and data intermediary method