Inventor

LAI JIN-SHENG

US33 patents

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

LAI JIN-SHENG

GREAT COMPUTER CORP

Pivotable cover for laser cutting machine

Structure of laser sculpturing machine

Separable cutting mechanism for printer

Structure of platform and air-collecting bin in a laser-cutting/engraving machine

Twin-loop dust collector

Fire alarm device for laser cutting/engraving machine

Roller shaft on computer character-cutting device and method to manufacture the same

Ribbon cartridge structure for printing head of large color printer

Automatically focusing structure of laser sculpturing machine

Printhead cleaning device for a large printer

Auxiliary focusing tool for laser marker

Multistage paper holding roller device

Gas drawing/refilling and sealing structure for gas laser

Printing head structure of large-size drafting machine

LAI JIN-SHENG

Suspension umbrella operated easily and quickly

Umbrella with a lamp

Lifting device for umbrella

Umbrella stand that is movable on the ground

Base for a sunshade

Umbrella shaft

Umbrella shaft

(unassigned)

Dual direction-swinging device for an umbrella

Mechanism for umbrella self lock operation

Automatic bending-angle changing structure for umbrella

Operation mechanism for a parasol

Self-tilting connector mechanism of an umbrella

Fixing structure for large-size sunshade

GALTECH COMP CORP

Umbrella having a detachable structure

Umbrella having an angle adjustable function

Umbrella having an angle adjustable function

VIRGINIA TECH INTELL PROP

Start-up circuit and control for high power isolated boost DC/DC converters

GREAT MISSION TRADING LTD

Electric stretching/collecting device for a parasol

GREATER COMP CORP

Negative-pressure control device for ink-supply system