Average Co-Inventor Count = 4.61
ph-index = 6
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. (12 from 42,496 patents)
12 patents:
1. 7783531 - Container management method and container management system
2. 7660753 - Inventory control system, inventory control method, fee collection method utilized in inventory control system, inventory control program, and storage medium
3. 7624043 - Inventory control system and method in recycle-oriented society
4. 7444294 - Method of production planning
5. 7386515 - Fee imposition system for application software
6. 7092775 - Production planning apparatus and production planning method
7. 7065504 - Fee imposition system for application software
8. 6856857 - Method and system for planning disassembly and production of recyclable products and for planning procurement of parts for production
9. 6226561 - Production planning system
10. 6122560 - Method and device for computing material requirements
11. 5764519 - Method and device for computing material requirements
12. 5479343 - Production planning system