Average Co-Inventor Count = 2.22
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 (4 from 847 patents)
2. Sharp Kabushiki Kaisha (sharp Corporation) (1 from 9 patents)
5 patents:
1. D295489 - Coffee roaster
2. D285523 - Electro-magnetic induction heater
3. D270390 - Vacuum cleaner
4. D270298 - Vacuum cleaner
5. D255166 - Electric shaver