Average Co-Inventor Count = 2.00
ph-index = 1
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 (2 from 2,199 patents)
2 patents:
1. D1003949 - Operation handle for grass cutter
2. D981453 - Body of an electric grass mower