Average Co-Inventor Count = 4.39
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 (6 from 39,230 patents)
6 patents:
1. 6330331 - Portable telephone
2. 5859909 - Portable telephone having a biased rotatable cover
3. 5692045 - Portable telephone having a biased rotatable cover
4. 5450471 - Mobile telephone unit which combines operation of a portable mobile
5. 5257310 - Portable telephone
6. 5197091 - Portable telephone having a pipe member which supports a microphone