Average Co-Inventor Count = 3.87
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 42,487 patents)
4 patents:
1. 12198176 - Replacement candidate recommendation system and method
2. 11182131 - System and method that support production management
3. 10678864 - Analysis model preparing system, programming apparatus, and analysis model preparing method
4. 10560311 - Management apparatus, management method, and recording medium