Average Co-Inventor Count = 5.33
ph-index = 2
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. Panasonic Corporation of North America (4 from 105 patents)
4 patents:
1. 8844095 - Floor care apparatus with cord reel and nozzle assembly
2. 8661613 - Steerable upright vacuum cleaner
3. 8528167 - Nozzle assembly including cord reel and agitator drive motor
4. 8424155 - Upright vacuum cleaner with agitator lift feature