Average Co-Inventor Count = 1.24
ph-index = 12
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. Matsushita Electric Corporation of America (21 from 139 patents)
2. Panasonic Corporation of North America (6 from 105 patents)
27 patents:
1. D537994 - Upright vacuum cleaner canister body
2. D521199 - Nozzle assembly for an upright vacuum cleaner
3. D520692 - Upright vacuum cleaner dirt cup
4. D519250 - Upright vacuum cleaner
5. D515755 - Upright vacuum cleaner canister assembly
6. D515757 - Upright vacuum cleaner nozzle assembly
7. D504750 - Wand mounted light for vacuum cleaner
8. D499850 - Single agitator nozzle for vacuum cleaner
9. D495455 - Vacuum cleaner canister body
10. D495106 - Dual agitator nozzle for vacuum cleaner
11. D490951 - Handle for folding upright vacuum cleaner
12. D490949 - Handle for upright vacuum cleaner
13. D489850 - Combined handle and canister assembly for upright vacuum cleaner
14. D488896 - Dirt container for folding upright vacuum cleaner
15. D488894 - Folding upright vacuum cleaner