Average Co-Inventor Count = 2.77
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. (9 from 42,496 patents)
9 patents:
1. 12314875 - Value chain plan linking method, value chain plan linking apparatus, and value chain plan linking system
2. 12254478 - Delivery date answering apparatus and delivery date answering method
3. 12154070 - Procurement work assistance system, procurement work assistance device, and procurement work assistance method
4. 11704612 - Supply chain management system, supply chain management method, and supply chain management apparatus
5. 11036516 - Parallel distributed processing control system, program, and parallel distributed processing control method
6. 10222788 - Plan generating device and plan generating method
7. 10037018 - Production planning apparatus and production planning method
8. 7444294 - Method of production planning
9. 7092775 - Production planning apparatus and production planning method