Average Co-Inventor Count = 5.00
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, Ltd. (4 from 42,508 patents)
4 patents:
1. 7356739 - System and program for controlling a distributed processing system
2. 7036050 - Highly reliable distributed system
3. 6779138 - Highly reliable distributed system
4. 6591380 - Means for comparing sent data on the transmission side of a network in a highly reliable distributed system