Average Co-Inventor Count = 3.71
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 42,485 patents)
2. Tpr Co., Ltd. (1 from 61 patents)
3 patents:
1. 11656613 - Information processing device and information processing method
2. 10626991 - Segment, combination oil ring, and manufacturing method for a segment
3. 9219650 - Network management apparatus, network management method, and network management system