Average Co-Inventor Count = 4.00
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. (3 from 42,496 patents)
3 patents:
1. 8443364 - Virtual machine system and virtual machine control method
2. 7721285 - Virtual machine system and virtual machine control method
3. 7272799 - Virtual machine system and virtual machine control method