Inventor

KUO CHING-CHUAN

TW75 patents

⚠️ This page may combine multiple inventors who share the name “KUO CHING-CHUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KUO CHING-CHUAN

TONG LUNG METAL IND CO LTD

Escutcheon

Lock handle assembly with limited angular movement

Door lock assembly

Cylinder lock

Reinforced apparatus for a lever handle of a door lock

Lock set with improved spindle construction

Door lock set with simultaneously retractable deadbolt and latch

Dual backset deadbolt assembly for a cylinder lock

Door lock having a deadbolt assembly with a low-cost corrosion-resistant bolt member

Face plate adapted to be inserted into a bore of a door

Reinforced cylindrical door lock set

Lock set with improved spindle mechanism

Cylinder lock

Duplex latch-bolt mechanism

Latch bolt operating device

Inner handle assembly of cylinder lock

Reinforcing apparatus for a lever handle of a door lock

Door closer with a concealed mounting

Door lock assembly having a support structure to support a tailpiece and a retaining plate

Re-keyable lock with improvements for preventing incomplete re-keying

Restoring structure of a lock

Latch-bolt mechanism operable to allow for idle rotation of an exterior handle

O2MICRO INC

Driving circuit with dimming controller for driving light sources

Circuits and methods for driving light sources

Driving circuit with dimming controller for driving light sources

Circuits and methods for driving light sources

Controlling brightness and color temperature of light sources

Circuits and methods for driving light sources

Driving circuit with dimming controller for driving light sources

KUO CHING-CHUAN

Controllers, systems and methods for controlling dimming of light sources

Driving circuit with dimming controller for driving light sources

Driving circuit with continuous dimming function for driving light sources

Circuits and methods for driving light sources

Circuits and methods for driving light sources

Systems and methods for driving a light source

YAN TIESHENG

Circuits and methods for driving LED light sources

Circuits and methods for driving light sources

Circuits and methods for driving light sources

Circuits and methods for driving light sources

Circuits and methods for controlling power of light sources

LIN YUNG LIN

Circuits and methods for driving light sources

Circuits and methods for controlling dimming of a light source

Circuits and methods for controlling dimming of a light source

O2MICRO INT LTD

Inverter operably controlled to reduce electromagnetic interference

Lamp current balancing topologies

HSIEH HSING-PANG

Coumarin compounds and their use for treating cancer

WU RONG-FAA

Electric door lock

TONG LUNG METAL INDUSTRY CO

Adjustable device for an auxiliary lock

LIU DA

Circuits and methods for driving a load with power factor correction function

CHIOU MING-SHYANG

Push-button type cylinder lock assembly