Average Co-Inventor Count = 4.36
ph-index = 5
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. Matsushita Electric Industrial Co., Ltd. (6 from 27,375 patents)
2. Dentsu Inc. (1 from 38 patents)
6 patents:
1. 7151909 - Broadcasting information receiving apparatus and broadcasting information receiving method
2. 7047550 - System for processing program information
3. 6606748 - Information providing method which enables data communication costs to be reduced, and information providing system for implementing the method
4. 6246442 - Apparatus for displaying information arranged in cells
5. 6018344 - History display apparatus
6. 6014679 - Item selecting apparatus in a system for browsing items for information