Average Co-Inventor Count = 1.50
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. Other (2 from 832,891 patents)
2. Ryobi North America, Inc. (2 from 93 patents)
4 patents:
1. 6139411 - Disc sander
2. D414499 - Engine for an operator-carried power tool
3. 5794305 - Articulation device for a vacuum cleaner
4. 5607196 - Hand-held gripping device