Average Co-Inventor Count = 1.86
ph-index = 3
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 42,508 patents)
2. Oki Data Corporation (3 from 1,875 patents)
12 patents:
1. 11816611 - Work support apparatus and work support method
2. 11435715 - System and method for detecting change over in manufacturing field
3. 11070425 - Method and system of detecting device rearrangement in manufacturing field
4. 9571470 - Communication system, management server, server, concentrator, and encryption setting method
5. 9112779 - Network system
6. 8879577 - Monitoring system, device, and method
7. 8730868 - Network node, time synchronization method and network system
8. 8712258 - Image processing apparatus capable of using replacement component, image forming apparatus capable of using replacement component, and method of administrating replacement component
9. 8601593 - Network node, information processing system, and method
10. 7725632 - Computer system and management method thereof
11. 7668474 - Image forming apparatus
12. 7382483 - Image forming apparatus and image forming system