Average Co-Inventor Count = 4.00
ph-index = 3
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 (6 from 105 patents)
6 patents:
1. 8938851 - Nozzle assembly with one piece body
2. 8844095 - Floor care apparatus with cord reel and nozzle assembly
3. 8528167 - Nozzle assembly including cord reel and agitator drive motor
4. 8424155 - Upright vacuum cleaner with agitator lift feature
5. 8186009 - Vacuum cleaner equipped with agitator and clutch assembly
6. 7555810 - Vacuum cleaner with wand activated conversion valve