YOKOWO CO., LTD.
213Patents
149Active
213Granted
54Portfolio score
Filing activity: Apr 16, 1990 → Nov 17, 2023 · 35 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7019701B2 | Antenna device mounted on vehicle | Electricity | 90 | Expired |
| US6130651A | Folded antenna | Electricity | 62 | Expired |
| USD470482S1 | Antenna chassis | General | 50 | Expired |
| US7180473B2 | Antenna with built-in filter | Electricity | 36 | Expired |
| US6666690B2 | Coil spring contact connector | Electricity | 32 | Expired |
| US5119099A | Microwave responder | Electricity | 32 | Expired |
| US10547135B2 | Spring connector | Electricity | 28 | Active |
| US6844748B2 | Inspection jig for radio frequency device, and contact probe incorporated in the jig | Physics | 28 | Expired |
| US6922172B2 | Broad-band antenna for mobile communication | Electricity | 27 | Expired |
| US6716043B2 | Spring connector with slotted conductive pin | Electricity | 26 | Expired |
| US6953348B2 | IC socket | Physics | 26 | Expired |
| US7094112B2 | Spring connector having elastic terminal | Electricity | 25 | Expired |
| US7132984B2 | Antenna with built-in filter | Electricity | 20 | Expired |
| USD589946S1 | Antenna chassis | General | 20 | Expired |
| US7420511B2 | Antenna for a plurality of bands | Electricity | 18 | Expired |
| USD470481S1 | Antenna chassis | General | 18 | Expired |
| US5897382A | Pivotally movable electrical connector and electronic apparatus using same | Electricity | 16 | Expired |
| USD686598S1 | Antenna for vehicle | General | 16 | Active |
| US5201060A | Baseband signal communication apparatus | Electricity | 15 | Expired |
| US6911942B2 | Antenna apparatus and communication apparatus using the same | Electricity | 14 | Expired |
| US7271773B2 | Antenna mounted on vehicle | Electricity | 14 | Expired |
| US6369762B1 | Flat antenna for circularly-polarized wave | Electricity | 13 | Expired |
| US7518567B2 | Planar antenna | Electricity | 13 | Active |
| US7598921B2 | Folded antenna | Electricity | 12 | Active |
| USD489713S1 | Antenna chassis | General | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.