Average Co-Inventor Count = 2.18
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. Makita Corporation (4 from 2,205 patents)
4 patents:
1. D961870 - Vacuum cleaner
2. D936440 - Portable electric grinder
3. D907271 - Floodlight
4. D907272 - Floodlight