Average Co-Inventor Count = 2.74
ph-index = 2
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-kokusai Electric Inc. (4 from 1,258 patents)
2. Sony Corporation (3 from 58,130 patents)
7 patents:
1. 8824863 - Information processing apparatus, information processing method, information processing program, and information processing system
2. 8566316 - Information processing apparatus and method, program, and information processing system
3. 8280221 - Transmission server system and material transfer method
4. 7496212 - Change detecting method and apparatus
5. 7451473 - Video distribution method and video distribution system
6. 7369130 - Method and apparatus for editing image data, and computer program product of editing image data
7. 7081814 - Change detecting method and apparatus and monitoring system using the method or apparatus