Average Co-Inventor Count = 3.63
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. (11 from 42,496 patents)
2. Other (1 from 832,843 patents)
3. Hitachi-high-technologies Corporation (1 from 2,874 patents)
13 patents:
1. 9281693 - System control apparatus for equipment
2. 8139845 - Evaluation object pattern determining apparatus, evaluation object pattern determining method, evaluation object pattern determining program and pattern evaluating system
3. 7584121 - Object subject to processing, which judges need for predetermined processing thereof based on usage and specification thereof
4. 7333989 - Method and apparatus for integrating distributed information
5. 7331059 - Access restriction control device and method
6. 7310812 - Service executing method and service providing system
7. 7228561 - Open information based access control method
8. 7212097 - Service provision method and apparatus in a distributed system
9. 7181470 - Coincidence method for distribution system
10. 7072766 - Guidance information providing system
11. 6983306 - Inter-device cooperative control method
12. 6886039 - Adaptive communication method
13. 6038564 - Method and apparatus for integrating distributed information