Polymatech Co., Ltd.
118Patents
41Active
118Granted
46Portfolio score
Filing activity: Aug 9, 1996 → Dec 21, 2010 · 38 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6649012B2 | Adhesion method and electronic component | Emerging Cross-Sectional Technologies | 288 | Expired |
| US6762381B2 | Key top for pushbutton switch and method of producing the same | Emerging Cross-Sectional Technologies | 90 | Expired |
| US7189778B2 | Thermally conductive polymer molded article and method for producing the same | Emerging Cross-Sectional Technologies | 73 | Expired |
| US7094459B2 | Method for cooling electronic components and thermally conductive sheet for use therewith | Emerging Cross-Sectional Technologies | 70 | Expired |
| US6045113A | Frame damper | Physics | 59 | Expired |
| US7264869B2 | Thermally conductive molded article and method of making the same | Emerging Cross-Sectional Technologies | 55 | Expired |
| US7378607B2 | Key sheet | Electricity | 54 | Active |
| US6652958B2 | Thermally conductive polymer sheet | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6730731B2 | Thermally conductive polymer composition and thermally conductive molded article | Electricity | 46 | Expired |
| US6180048A | Manufacturing method of color keypad for a contact of character illumination rubber switch | Electricity | 42 | Expired |
| US7079405B2 | Thermal conductive polymer molded article and method for producing the same | Performing Operations; Transporting | 41 | Expired |
| US7321103B2 | Key sheet and manufacturing method for key sheet | Emerging Cross-Sectional Technologies | 39 | Active |
| US7540991B2 | Ion conductive polymer electrolyte membrane and production method for the same | Emerging Cross-Sectional Technologies | 23 | Active |
| US7297221B2 | Decorative molded object having color design image and method of producing the same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6716904B2 | Heat-radiating electromagnetic wave absorber | Electricity | 22 | Expired |
| US7727618B2 | Decorative molded body, key top for a pushbutton switch, and key sheet for the pushbutton switch | Emerging Cross-Sectional Technologies | 21 | Active |
| US6831031B2 | Thermally conductive sheet | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5915662A | An.cndot.isotropic damper | Physics | 15 | Expired |
| US6322875A | Transparent decoration key top and its manufacturing method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7126072B2 | Key switch and electronic device | Electricity | 14 | Expired |
| US6103346A | Sheet-like key top and its manufacturing method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6144164A | Dynamic EL lighting with a single power source | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6794035B2 | Graphitized carbon fiber powder and thermally conductive composition | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7034235B2 | Key sheet | Electricity | 13 | Expired |
| US6451418B1 | Heat conductive resin substrate and semiconductor package | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.