Average Co-Inventor Count = 3.77
ph-index = 4
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. (8 from 42,496 patents)
8 patents:
1. 8306397 - Picture recorder and commercial message detection method
2. 8112503 - Content delivery method, server, and terminal
3. 8095890 - Method for user interface, display device, and user interface system
4. 8014716 - Information management server and information distribution system
5. 7228055 - Recording apparatus, video camera and computer program
6. 6501511 - Broadcasting program displaying device for receiving and displaying a program video and property information
7. 6407776 - Broadcasting program displaying system and program displaying device for receiving and displaying a program video and property information
8. 5966129 - System for, and method of displaying an image of an object responsive to