PRIMAX ELECTRONICS LTD.
1,094Patents
874Active
1,094Granted
61Portfolio score
Filing activity: Feb 21, 1990 → Dec 2, 2024 · 207 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD327674S | Video display control or similar article | General | 269 | Expired |
| US5883619A | Computer mouse for scrolling a view of an image | Electricity | 195 | Expired |
| US5457479A | Apparatus having dual modes for controlling cursor on display screen | Emerging Cross-Sectional Technologies | 161 | Expired |
| US5771038A | Control device for display state change on monitor | Physics | 140 | Expired |
| US6445087B1 | Networking power plug device with automated power outlet control | Electricity | 133 | Expired |
| US6131134A | Hot plug-and-play converter of a universal serial bus interface | Physics | 112 | Expired |
| US6075533A | Method of utilizing a three-dimensional mouse in the windows operating systems | Physics | 104 | Expired |
| US5808568A | Finger operated module for generating encoding signals | Physics | 72 | Expired |
| US6741064B2 | Power charging system and related apparatus | Electricity | 70 | Expired |
| US8502094B2 | Illuminated keyboard | Electricity | 65 | Active |
| USD447758S | Camera | General | 63 | Expired |
| US9213416B2 | Illuminated keyboard | Physics | 52 | Active |
| US6326950A | Pointing device using two linear sensors and fingerprints to generate displacement signals | Physics | 52 | Expired |
| US8581127B2 | Key structure with scissors-type connecting member | Electricity | 50 | Active |
| US6456977B1 | Voice control module for controlling a game controller | Physics | 50 | Expired |
| US7893376B2 | Key structure with scissors-type connecting member | Emerging Cross-Sectional Technologies | 49 | Active |
| US8607976B2 | Storing mechanism for electronic device | Physics | 49 | Active |
| US6528970B1 | Charger capable of converting multiple power sources | Emerging Cross-Sectional Technologies | 48 | Expired |
| US7528883B2 | Method for blurred image judgment | Electricity | 46 | Active |
| US5739821A | Method for pointing a window frame or an icon of a window interface | Physics | 42 | Expired |
| US6239841A | Clamping apparatus for fixing a small electronic camera on an LCD panel | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6351257B1 | Pointing device which uses an image picture to generate pointing signals | Physics | 41 | Expired |
| US8853580B2 | Key structure of keyboard device | Electricity | 40 | Active |
| US5247623A | Automatic multiple personal computer/computer printer connecting system | Physics | 38 | Expired |
| US6247814A | Projecting device for displaying electronic images | Electricity | 38 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.