Average Co-Inventor Count = 5.15
ph-index = 18
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. (52 from 42,517 patents)
2. Other (2 from 832,912 patents)
3. Hitachi-High-Technologies Corporation (1 from 2,874 patents)
4. Nippon Zoki Pharmaceutical Co., Ltd. (1 from 148 patents)
5. Hitachi Control Systems, Inc. (1 from 9 patents)
6. Hitachi Information and Control System Inc. (1 from 1 patent)
56 patents:
1. 9281693 - System control apparatus for equipment
2. 7584121 - Object subject to processing, which judges need for predetermined processing thereof based on usage and specification thereof
3. 7540019 - Processing device capable of implementing flexible access control
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. 7222153 - Method of accumulating appliance located states and apparatus using the same
9. 7212097 - Service provision method and apparatus in a distributed system
10. 7181470 - Coincidence method for distribution system
11. 6983306 - Inter-device cooperative control method
12. 6886039 - Adaptive communication method
13. 6847988 - Service providing system and method which divides a request into plural service requests and provides an integrated service based on service utilization history information in response to the request
14. 6792603 - Execution management method of program on reception side of message in distributed processing system
15. 6697836 - Method and apparatus for controlling server