Average Co-Inventor Count = 2.73
ph-index = 3
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 (4 from 847 patents)
2. Sharp Kabushiki Kaisha Corporation (2 from 25,543 patents)
3. Japan Cash Machine Co., Ltd. (1 from 117 patents)
6 patents:
1. 9095637 - Ion generator and air cleaner
2. D298246 - Television set
3. D298248 - Television set
4. D277566 - Tape recorder
5. D276720 - Combined television, radio receiver and tape recorder
6. D259487 - Combined clock radio and television receiver