Average Co-Inventor Count = 2.86
ph-index = 5
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 (5 from 2,195 patents)
5 patents:
1. D516504 - Battery pack
2. D512961 - Battery pack
3. D456002 - Battery pack
4. D436917 - Battery pack
5. D412485 - Battery pack