Average Co-Inventor Count = 3.39
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. (10 from 42,508 patents)
10 patents:
1. 8521573 - System and method for supporting selection of subject for restriction countermeasure
2. 8121878 - Execution decision support program and device of regulation measures
3. 7747623 - Product design support method and system
4. 7624043 - Inventory control system and method in recycle-oriented society
5. 7464144 - Method for providing information apparatus together with setups transfer service
6. 7437269 - Method, system and program for evaluating reliability on component
7. 7379788 - Manufactured article treatment processing system
8. 6334096 - Evaluation system for a product having an evaluator system for inputting evaluation information, an evaluation calculation system for performing the evaluation and being a network interconnecting the systems
9. 6332114 - Evaluation system for determining a percent a product is defective using a network
10. 6226617 - Product disposal system