Average Co-Inventor Count = 3.37
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. Fujitsu Corporation (5 from 39,244 patents)
5 patents:
1. 7356481 - Delivery management method and device, and delivery information service method
2. 7193531 - Method for providing security
3. 7107217 - Voice interactive system and voice interactive method
4. 6829592 - Data protection system, data preparation device, and data working device
5. 5138928 - Rhythm pattern learning apparatus