PANASONIC CORPORATION OF NORTH AMERICA
106Patents
54Active
106Granted
57Portfolio score
Filing activity: Oct 3, 2001 → May 23, 2023 · 32 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8232976B2 | Physically reconfigurable input and output systems and methods | Physics | 79 | Active |
| US7640624B2 | Dirt cup with dump door in bottom wall and dump door actuator on top wall | Emerging Cross-Sectional Technologies | 50 | Active |
| US8769764B2 | Hand-held and conversion vacuum cleaner with adapter | Emerging Cross-Sectional Technologies | 49 | Active |
| US7222392B2 | Airflow system for bagless vacuum cleaner | Emerging Cross-Sectional Technologies | 48 | Expired |
| USD619315S1 | Floor nozzle for canister vacuum cleaner | General | 42 | Expired |
| US7832050B2 | Floor care apparatus with a three section wand assembly | Human Necessities | 42 | Active |
| US6941615B2 | Rotating operating handle for vacuum cleaner | Human Necessities | 39 | Expired |
| US8803690B2 | Context dependent application/event activation for people with various cognitive ability levels | Physics | 38 | Active |
| USD520692S1 | Upright vacuum cleaner dirt cup | General | 35 | Expired |
| US7070636B2 | Cyclonic vacuum cleaner with filter and filter sweeper | Emerging Cross-Sectional Technologies | 33 | Expired |
| US7887613B2 | Vacuum cleaner having dirt collection vessel with toroidal cyclone | Emerging Cross-Sectional Technologies | 32 | Active |
| US9208661B2 | Context dependent application/event activation for people with various cognitive ability levels | Physics | 31 | Active |
| US7343643B2 | Selective bag or bagless cleaning system | Emerging Cross-Sectional Technologies | 24 | Expired |
| US9092056B2 | Keyboard having selectively viewable glyphs | Electricity | 21 | Active |
| US6915544B2 | Agitator drive system with bare floor shifter | Human Necessities | 20 | Expired |
| USD617963S1 | Canister vacuum cleaner | General | 20 | Expired |
| USD515757S1 | Upright vacuum cleaner nozzle assembly | General | 17 | Expired |
| US7331083B2 | Lighted wand assembly with remote light source | Human Necessities | 16 | Expired |
| US8863353B2 | Vacuum cleaner having dirt cup assembly with internal air guide | Human Necessities | 15 | Active |
| USD618873S1 | Floor nozzle for canister vacuum cleaner | General | 15 | Expired |
| US7509707B2 | Floor cleaning apparatus with dirt detection sensor | Human Necessities | 15 | Active |
| US7305735B2 | Vacuum cleaner equipped with dirt cup and separate filter drawer | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7007336B2 | Agitator construction | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7194784B2 | Floor cleaning apparatus with pivotal handle | Human Necessities | 14 | Expired |
| US7152275B2 | Dirt container for cyclonic vacuum cleaner | Human Necessities | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.