SOLUM CO., LTD.
90Patents
88Active
90Granted
57Portfolio score
Filing activity: May 6, 2010 → Jun 20, 2024 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9301353B2 | Light emitting diode driving apparatus | Electricity | 13 | Active |
| US8472023B2 | Measurement of nitrate-nitrogen concentration in soil based on absorption spectroscopy | Physics | 10 | Active |
| US8144319B2 | Automated soil measurement device | Physics | 9 | Active |
| US8477295B2 | Automated soil measurement device | Physics | 8 | Active |
| US8325336B2 | Automated soil measurement device | Physics | 8 | Active |
| USD972640S1 | Electronic shelf label | General | 8 | Active |
| USD946655S1 | Electronic shelf label | General | 7 | Active |
| USD787597S1 | Electronic label | General | 7 | Active |
| US10541619B2 | LLC resonant converter and electronic device | Emerging Cross-Sectional Technologies | 5 | Active |
| US8472024B2 | Automated soil measurement device | Physics | 5 | Active |
| USD972641S1 | Electronic shelf label | General | 5 | Active |
| US9858453B2 | Information updating method of electronic label, and system thereof | Physics | 4 | Active |
| USD946656S1 | Electronic shelf label | General | 4 | Active |
| US9357610B2 | LED lighting system and method of controlling the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US10388449B2 | Transformer and plate coil molded body | Electricity | 3 | Active |
| US9824810B2 | Transformer and power supply device including the same | Electricity | 2 | Active |
| US9479102B2 | Apparatus for driving interior permanent magnet synchronous motor and method of controlling the apparatus | Electricity | 2 | Active |
| US10958182B2 | Transformer and LLC resonant converter having the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US9417644B2 | Apparatus for and method of controlling power supply system | Physics | 2 | Active |
| US9490056B2 | Coil component and electronic module using the same | Electricity | 2 | Active |
| US9653991B2 | Power converter and driving method for the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US11445610B2 | Printed circuit board assembly | Electricity | 2 | Active |
| US9454919B2 | Electronic shelf label tag, electronic shelf label system for time-division transmission of display data and change command data, and operating method thereof | Physics | 2 | Active |
| US9547351B2 | Power supply apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US9466973B2 | Overload and short-circuit sensing circuit and converter protecting circuit and method | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.