Average Co-Inventor Count = 2.73
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. Fujitsu Corporation (5 from 39,244 patents)
2. Sony Corporation (1 from 58,131 patents)
3. Matsushita Electric Industrial Co., Ltd. (1 from 27,375 patents)
4. Sanyo Electric Co., Ltd. (1 from 8,782 patents)
5. Pfu Limited (1 from 678 patents)
6. Ascii Corporation (1 from 36 patents)
5 patents:
1. 7016863 - Marketing system and method processing market information of consumers and dealers via a network
2. 6925456 - Information searching apparatus and method for online award entry
3. 6076101 - Electronic mail processing system with bonus point tracking
4. 6047310 - Information disseminating apparatus for automatically delivering
5. 5424730 - Method and apparatus for differentiating simultaneous and sequential key