Average Co-Inventor Count = 4.29
ph-index = 6
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. (12 from 42,517 patents)
2. Hitachi Maxell, Limited (3 from 1,112 patents)
15 patents:
1. 9661363 - Receiver set, information apparatus and receiving system
2. 9240897 - Method of using AV devices and AV device system
3. 8856819 - Receiver set, information apparatus and receiving system
4. 8326129 - Method of using AV devices and AV device system
5. 8233504 - Receiver set, information apparatus and receiving system
6. 7333717 - Method of using AV devices and AV device system
7. 7257132 - Receiver set, information apparatus and receiving system
8. 7224886 - Method of using AV devices and AV device system
9. 7136910 - Information device, information device system control method, and information device system
10. 6728765 - Information device, information device system control method, and information device system
11. 6691150 - Information device, information device system control method, and information device system
12. 6487589 - Information device, information device system control method, and information device system
13. 6131111 - Information device information device system control method, and
14. 5867281 - Electronic mail system and method
15. 5867110 - Information reporting system