Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for driving power supply

Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for driving power supply

US Patent 7977889 · Granted Jul 12, 2011

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for forming transistor devices having source region segments and body reg2025
Transistor device having a source region segments and body region segments2024
Transistor device having a source region segments and body region segments2023
Pulse signal sending circuit2022
Termination structures for trench-gate field-effect transistors2022
Transistor device having a source region segments and body region segments2021
Transistor device having a pillar structure2019
Step-up/down DC-DC converter and switching control circuit2015
Step-up/down DC-DC converter and switching control circuit2015
Step-up/down DC-DC converter and switching control circuit2015
Step-up/down DC-DC converter and switching control circuit2015
Nonvolatile semiconductor memory device and method of manufacturing the same2013