ICHIA TECHNOLOGIES, INC.
38Patents
38Active
38Granted
53Portfolio score
Filing activity: Nov 17, 2006 → Aug 5, 2016 · 30 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8134094B2 | Layered thin-type keycap structure | Emerging Cross-Sectional Technologies | 54 | Active |
| US7455416B2 | Light guide structure and keypad having the same | Electricity | 30 | Active |
| US8207872B2 | Mechanical keypad with touch pad function | Electricity | 30 | Active |
| US7423229B2 | Light guiding plate and a keystroke module for use therewith | Electricity | 16 | Active |
| US7663071B2 | Keypad assembly having three-dimensional patterns | Electricity | 9 | Active |
| US7534001B2 | Light-guiding method of light-guiding plate and key pad assembly using the light-guiding plate | Electricity | 8 | Active |
| US7523544B2 | Method for manufacturing keypad | Emerging Cross-Sectional Technologies | 8 | Active |
| US8022324B2 | Method of manufacturing a keypad structure having a transparent keycap and keypad structure having a transparent keycap | Emerging Cross-Sectional Technologies | 8 | Active |
| US7626133B2 | Metallic panel assembly having ripple luster | Electricity | 6 | Active |
| US7572023B2 | Key module with multi-layer light guiding structure | Electricity | 6 | Active |
| US9721714B1 | Electromagnet and flexible circuit board | Electricity | 5 | Active |
| US7449642B1 | Metallic keypad panel assembly having ripple luster | Electricity | 5 | Active |
| US9111700B2 | Thin push button structure | Electricity | 5 | Active |
| US7650056B2 | Method for manufacturing a light-guiding plate and key module having the light-guiding plate | Electricity | 4 | Active |
| US8056216B2 | Method of manufacturing non-backlighted illuminating keypad | Emerging Cross-Sectional Technologies | 4 | Active |
| US7866032B2 | Method of manufacturing metal keypad panel with micropore array | Emerging Cross-Sectional Technologies | 3 | Active |
| US7893375B2 | Non-backlighted illuminating keypad | Electricity | 3 | Active |
| US7759588B2 | Thin keypad assembly | Electricity | 3 | Active |
| US8441445B2 | Electrophoretic display keypad structure | Electricity | 3 | Active |
| US7777144B2 | Metal keypad panel structure with micropore array | Electricity | 3 | Active |
| US7634081B2 | Method for manufacturing electronic device panel and structure thereof | Electricity | 3 | Active |
| US7735214B2 | Method for manufacturing metallic keypad panel having ripple luster | Emerging Cross-Sectional Technologies | 2 | Active |
| US8203092B2 | Keypad structure | Electricity | 1 | Active |
| US8093519B2 | Keypad module of non-backlight panel and panel assembly of the same | Electricity | 1 | Active |
| US7662327B2 | Manufacturing method of thin keypad assembly | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.