Average Co-Inventor Count = 3.90
ph-index = 3
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. Pioneer Corporation (4 from 2,646 patents)
2. Yahoo Japan Corporation (1 from 174 patents)
5 patents:
1. 9892449 - Information providing system, information providing apparatus and information providing method
2. 7703017 - Program display method, program display apparatus, and program delivery and display system
3. 7634299 - Communication terminal apparatus, method of changing function and/or setting of communication terminal apparatus, and program
4. 7315907 - Information delivery and display system and information delivery method
5. 7277959 - Information delivery display system and information delivery display method