Average Co-Inventor Count = 2.25
ph-index = 8
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 (12 from 847 patents)
12 patents:
1. D305373 - Vacuum cleaner
2. D303025 - Portable vacuum cleaner
3. D301646 - Vacuum cleaner
4. D301649 - Vacuum cleaner
5. D300379 - Vacuum cleaner
6. D298876 - Vacuum cleaner nozzle
7. D296944 - Vacuum cleaner
8. D292832 - Vacuum cleaner
9. D285734 - Vacuum cleaner
10. D284319 - Vacuum cleaner
11. D270390 - Vacuum cleaner
12. D270298 - Vacuum cleaner