Average Co-Inventor Count = 3.43
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. (4 from 42,508 patents)
4 patents:
1. 12198176 - Replacement candidate recommendation system and method
2. 12073295 - Machine learning model operation management system and method
3. 11044319 - Equipment analysis support apparatus, equipment analysis support method, and equipment analysis system
4. 10740214 - Management computer, data processing system, and data processing program