Average Co-Inventor Count = 2.80
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. Black Decker Inc. (3 from 5,073 patents)
2. Chang Type Industrial Company, Ltd. (1 from 3 patents)
4 patents:
1. 8004664 - Power tool control system
2. 7359762 - Measurement and alignment device including a display system
3. 7243440 - Gauge for use with power tools
4. 7073268 - Level apparatus