Average Co-Inventor Count = 2.29
ph-index = 5
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 42,485 patents)
2. Gree, Inc. (3 from 524 patents)
3. Sony Corporation (2 from 58,129 patents)
4. Matsushita Graphic Communication Systems, Inc. (2 from 191 patents)
5. Fujikoki Corporation (1 from 230 patents)
6. Hitachi Engineering Co., Ltd. (1 from 162 patents)
7. Hitachi Elevator Engineering & Service Co., Ltd. (1 from 7 patents)
17 patents:
1. 11995586 - Production planning system and production planning method
2. 11691074 - Program, server apparatus, and game system
3. 11580481 - Production management support system and production management support method that automatically determine loss factors
4. 11341292 - Production plan supporting apparatus and method
5. 11318381 - Program, server apparatus, and game system
6. 11170327 - Dynamic production planning system and dynamic production planning device
7. 10737173 - Program, server apparatus, and game system
8. 9793914 - Analog-to-digital converter, electronic device, and method of controlling analog-to-digital converter
9. 8824529 - Signal transmission system, transmitting device, receiving device, electronic device, and signal transmission method
10. 8553564 - Management system and computer system management method
11. 8209511 - Storage management apparatus, a storage management method and a storage management program
12. 7844575 - Method and a system for data migration
13. 7251664 - Volume allocation within a storage management system
14. 7185826 - Expansion valve
15. 5519763 - Communication apparatus with wireless intercommunication