Average Co-Inventor Count = 1.85
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. Ryobi Limited (4 from 546 patents)
2. Ryobi North America, Inc. (1 from 93 patents)
4 patents:
1. 6141823 - Blower and vacuum device
2. 6141824 - Blower and vacuum device
3. D336026 - Nail pulling machine
4. D317852 - Electric trimmer