ESPEC CORP.
58Patents
37Active
58Granted
61Portfolio score
Filing activity: Jul 30, 2002 → Aug 8, 2022 · 14 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7115838B2 | Unit for varying a temperature of a test piece and testing instrument incorporating same | Electricity | 527 | Expired |
| USD782511S1 | Display screen with graphical user interface | General | 36 | Active |
| USD602039S1 | Icon for a portion of a display screen | General | 23 | Expired |
| USD602040S1 | Icon for a portion of a display screen | General | 20 | Expired |
| USD599376S1 | Icon for a portion of a display screen | General | 20 | Expired |
| USD681845S1 | Temperature and humidity chamber | General | 19 | Active |
| USD681844S1 | Temperature and humidity chamber | General | 19 | Active |
| US7324746B2 | Fluid heater and evaluation equipment incorporating the same | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6938432B2 | Cooling apparatus and a thermostat with the apparatus installed therein | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6955551B2 | Card edge connector jig and card edge connector connection mechanism | Electricity | 14 | Expired |
| US7257956B2 | Cooling apparatus | Electricity | 13 | Expired |
| USD742332S1 | Control panel | General | 11 | Active |
| USD777753S1 | Display screen with graphical user interface | General | 9 | Active |
| US7216044B2 | Battery state diagnosing device and battery state diagnosing method | Physics | 8 | Expired |
| USD734181S1 | Temperature and humidity chamber | General | 8 | Active |
| US8851745B2 | Hygrometer and dew-point instrument | Physics | 7 | Active |
| US8359906B2 | Environment testing apparatus capable of controlling condensation amount, and control method therefor | Physics | 6 | Active |
| US8763480B2 | Dew formation testing device and dew formation testing method | Physics | 5 | Active |
| US6798222B2 | Migration measuring method and measuring apparatus | Physics | 4 | Expired |
| US7558064B2 | Cooling apparatus | Electricity | 3 | Expired |
| US8973383B2 | Humidity control apparatus, environment test apparatus, and temperature and humidity control apparatus | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9329118B2 | Environmental chamber | Physics | 2 | Active |
| US7140260B2 | Gas flow measuring device and gas flow measuring method | Physics | 2 | Expired |
| US10620113B2 | Environmental test apparatus | Physics | 2 | Active |
| USD882821S1 | Door for stress test chamber | General | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.