Average Co-Inventor Count = 2.27
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. Sharp Corporation (5 from 847 patents)
5 patents:
1. D305761 - Combined tape recorder, digital audio disc player and radio
2. D305540 - Combined tape recorder and radio
3. D297833 - Combined tape recorder and radio
4. D297834 - Combined tape recorder digital audio player and radio
5. D259487 - Combined clock radio and television receiver