Average Co-Inventor Count = 9.47
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 Systems, Ltd. (2 from 34 patents)
2 patents:
1. 11100234 - Work recording apparatus, system, program, and method preventing confidential information leaks
2. 10755222 - Work management apparatus, work defect prevention program, and work defect prevention method