Leadtrend Technology Corp.

Taiwan, Province of China


Create a watch for Leadtrend Technology Corp.
Total IP 167
Total IP Rank # 7,869
IP Activity Score 2.7/5.0    60
IP Activity Rank # 11,820
Stock Symbol 3588 (twse)
ISIN TW0003588000
Market Cap. 4.4B  (TWD)
Industry Semiconductors
Sector Technology
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

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Last Patent 2025 - Isolated power converter with ad...
First Patent 2004 - Adaptive dead-time controller
Last Trademark 2005 - LD
First Trademark 2005 - LD

Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Combo circuit with electrostatic discharge protection. A combo circuit with electrostatic discha...
Invention Isolated power converter with adjustable characteristic of a bode plot and related adjustment cir...
Invention Llc resonant converter and control method thereof. Provided in an embodiment is a control method...
Invention Secondary-side controller applied to a flyback power converter and operational method. A seconda...
Invention Synchronous rectification controller and control method thereof. Disclosed is the source active ...
Invention Primary-side controller applied to a power converter and operational method. A primary-side cont...
2023 Invention Efficiency tracking method of a controller applied to a flyback power converter. An efficiency t...
Invention High-voltage tolerant device and detection circuit. Disclosed is a high-voltage device with ESD ...
Invention Primary-controller with voltage compensation function and operational method thereof. A primary-...
Invention Controller applied to an inductor-inductor-capacitor resonant converter. A controller applied to...
Invention Control methods for interleaved power converter. A control method is in use of an interleaved po...
Invention Primary controller applied to a primary side of a power converter and operation method thereof. ...
Invention Flyback power converter and secondary-side control method thereof. A secondary-side control metho...
2022 Invention Control method and power controller for flyback power converter. A control method is disclosed to...
Invention Flyback power converters and control methods thereof. A control method in use of a flyback power ...
Invention Controller applied to a power converter and operational method thereof. A controller applied to a...
Invention Control method and power controller for power factor correction. A PFC power converter includes a...
Invention Package applied to a flyback power converter. A package applied to a flyback power converter inc...
Invention Power controller and control method with functions of soft burst-in and soft burst-out. A control...
Invention Method of switching operational modes of a power converter. A method of switching operational mod...
Invention Llc controller and control method for power converter. A control method is disclosed to prevent f...
Invention Secondary controller applied to a secondary side of a power converter and operation method thereo...
Invention Power supplies with multiple output ports, and control methods thereof. A power supply has multi...
Invention Synchronous rectifiers and charging methods used therein. An operation power source for an operat...
2021 Invention Control methods for changing minimum on-time of synchronous rectifier and related synchronous rec...
Invention Control method of a flyback power converter. A control method of a flyback power converter includ...
Invention Power management control method in use of connector. A connector controller controls a connector ...
Invention Flyback power converter and relevant control methods. A flyback power converter converts an input...
Invention High-voltage semiconductor devices. High-voltage semiconductor devices are disclosed, each having...
Invention Controller applied to an inductor-inductor-capacitor resonant converter and operational method th...
Invention Power supplies with limited power protection and relevant control methods. A power supply is conf...
Invention Pfc controller with multi-function node, related pfc circuit and control method. A PFC circuit u...
2020 Invention Power controller and control method for llc resonant converter. A power controller for an LLC res...
Invention Asymmetric power converter and operational method thereof. Asymmetric power converter includes an...
Invention Power factor correction controller and operational method thereof. A power factor correction (PFC...
Invention Power supplies and semiconductor apparatuses with functions of current-sampling and high-voltage ...
Invention Mos transistors capable of blocking reverse current. A high-voltage semiconductor device integrat...
Invention Primary controller applied to a primary side of a power converter and operational method thereof....
Invention Power supplies with synchronous rectification. A power supply has a transformer, a rectifier swit...
Invention Voltage mode controller applied to short-circuited protection of a power converter and operationa...
2019 Invention Power controllers and control methods for pfc converter. A power controller for use in a PFC powe...
Invention Power controllers with frequency jittering, and control methods thereof. A power controller discl...
Invention Transmitting/receiving command method applied between a master controller and a slave controller ...
Invention Active clamp flyback converters and control methods thereof. A control method for a power convert...
Invention Active clamp flyback converter capable of switching operation modes. A power converter using an a...
Invention Ripple suppressor. A ripple suppressor includes a constant current generation circuit and a volta...
2005 G/S semiconductor chips; semi-conductors; integrated circuits