Average Co-Inventor Count = 5.33
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 42,494 patents)
2 patents:
1. 6854646 - Transaction management system and method
2. 5752233 - System and method for budget compilation under parallel/distributed