Average Co-Inventor Count = 4.06
ph-index = 19
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 America, Ltd. (14 from 169 patents)
2. Worldgate Service, Inc. (6 from 7 patents)
3. Hitachi, Ltd. (3 from 42,485 patents)
4. Worldgate Communications, Inc. (3 from 3 patents)
5. Other (1 from 832,680 patents)
6. Cox Communications, Inc. (1 from 502 patents)
7. Solar Red Systems, Inc. (1 from 1 patent)
26 patents:
1. 11407118 - Robot for performing dextrous tasks and related methods and systems
2. 9756377 - System and method for broadcasting web pages and other information
3. 8089502 - Adaptive video telephone system
4. 8063928 - Videophone system and method
5. 7819114 - Plug and play solar panel assembly
6. D512698 - Video phone
7. 6477579 - Access system and method for providing interactive access to an information source through a networked distribution system
8. 6389075 - MPEG encoding technique for encoding web pages
9. 6266369 - MPEG encoding technique for encoding web pages
10. 6141486 - Methods and apparatus for recording digital data including sync block
11. 6049539 - Access system and method for providing interactive access to an
12. 5999970 - Access system and method for providing interactive access to an
13. 5961603 - Access system and method for providing interactive access to an
14. 5933567 - Method and apparatus for controlling the position of the heads of a
15. 5857181 - Broadcast interactive multimedia system