FUNAI ELECTRIC CO., LTD.
2,423Patents
1,717Active
2,423Granted
59Portfolio score
Filing activity: May 8, 1980 → Aug 30, 2023 · 1,012 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5416478A | Car navigation system | Physics | 513 | Expired |
| US7027003B2 | Primary radiator for parabolic antenna | Electricity | 191 | Expired |
| US7317396B2 | Optical disc having RFID tag, optical disc apparatus, and system for preventing unauthorized copying | Physics | 137 | Expired |
| US7504938B2 | Security system and monitoring method using power line communication technology | Electricity | 128 | Active |
| US5191423A | TV channel selecting device with a memory | Electricity | 97 | Expired |
| US7502053B2 | Information-processing device and information-processing system | Physics | 85 | Active |
| USD585883S1 | Antenna | General | 81 | Expired |
| US7017177B1 | Digital broadcasting receiver and method of controlling the same | Electricity | 70 | Expired |
| US8379884B2 | Sound signal transmitter-receiver | Electricity | 68 | Active |
| US5353201A | Shield device for printed circuit boards | Emerging Cross-Sectional Technologies | 66 | Expired |
| US8237841B2 | Compound-eye imaging device | Electricity | 66 | Active |
| US8249273B2 | Sound input device | Electricity | 63 | Active |
| USD526753S1 | Electric vacuum cleaner | General | 55 | Expired |
| US7295109B2 | Monitoring system | Electricity | 51 | Expired |
| USD715797S1 | Information communication terminal | General | 47 | Active |
| US6129781A | Air conditioning apparatus with an air cleaning function and electric dust collector for use in the same | Emerging Cross-Sectional Technologies | 47 | Expired |
| USD655690S1 | Sound device | General | 47 | Expired |
| US9968136B1 | Heater element for a vaporization device | Electricity | 46 | Active |
| US9961940B2 | Vaporizing assembly and vapor generating device | Electricity | 45 | Active |
| US7161631B2 | Digital broadcast receiving apparatus | Electricity | 44 | Expired |
| US8271115B2 | Media player and play method | Physics | 44 | Active |
| US4574391A | Stereophonic sound producing apparatus for a game machine | Electricity | 43 | Expired |
| US5917714A | Switching power supply with input voltage reduction detection | Emerging Cross-Sectional Technologies | 43 | Expired |
| US7184095B2 | Digital broadcast/analog broadcast receiving apparatus | Electricity | 42 | Expired |
| US7502072B2 | Television broadcast receiver with caption display capability using parameter setting images | Electricity | 40 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.