Average Co-Inventor Count = 3.84
ph-index = 9
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. (17 from 42,485 patents)
2. Other (2 from 832,680 patents)
3. Hitachi Information Network, Ltd. (1 from 5 patents)
19 patents:
1. 11016828 - Task support system and method
2. 9305072 - Information storage system and data replication method thereof
3. 8543602 - Access controller that controls access to files by using access control list
4. 8260811 - Access controller that controls access to files by using access control list
5. 7664758 - Integrated database system and method for accessing a plurality of databases
6. 7640330 - Computer system with a terminal that permits offline work
7. 7155498 - Computer operation management system
8. 7136918 - Method for monitoring abnormal behavior in a computer system
9. 6941309 - Object integrated management system
10. 6938082 - Method for controlling managing computer, medium for storing control program, and managing computer
11. 6665716 - Method of analyzing delay factor in job system
12. 6434616 - Method for monitoring abnormal behavior in a computer system
13. 6289379 - Method for monitoring abnormal behavior in a computer system
14. 6275856 - Method for searching for network connection path
15. 6219701 - Method for controlling managing computer, medium for storing control program, and managing computer