Inventor

LIU YU-LIN

CN44 patents

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

LIU YU-LIN

HONGFUJIN PREC IND WUHAN

Dispensing device in vending machine

Hard disc assembly

Goods transmission system

Direct current voltage generating apparatus for generating stable DC voltages

Conversion system for multi direct current voltage

CHEN XIANG-BIAO

Temperature control system

Fan speed testing system

Solder apparatus

Motherboard testing apparatus

LE YIN

Drop test apparatus

Drop test device

Drop test device for testing corner of case

YU MENG-BIN

Drop test apparatus

Drop test device

Test support apparatus

HONGFUJIN PREC IND SHENZHEN

Apparatus and method for testing computer

Impact platform for drop testing

Fan speed testing system and method

TAIWAN SEMICONDUCTOR MFG CO LTD

Atomic layer deposition based process for contact barrier layer

Atomic layer deposition based process for contact barrier layer

HONG FU JIN PREC IND (WUHAN) CO LTD

Base for electronic device and electronic device assembly

Securing mechanism

Chen fang-yuan

Testing apparatus

Testing apparatus for extension device

SHENZHEN GOLDSUN NETWORK INTELLIGENCE TECH CO LTD

Power supply unit testing system

Electronic device docking station and base assembly

IND TECH RES INST

Biomass photosensitive material and method for manufacturing the same, and printed circuit board

Photosensitive composition and photoresist

SHENZHEN TREASURE CITY TECHNOLOGY CO LTD

Voltage detecting system

Automatic vending machine

Liu yu-lan

Positioning tool for fan

Testing apparatus

Liu yu lin

LED lamp for plant growth

HU CONG-XU

Test support apparatus

ATEN INT CO LTD

Media processing device, media broadcasting system, and media processing method

UNIV NAT CHUNG CHENG

Method and apparatus for measuring chromaticity of a target object

CAI CHAO-JIE

Computer enclosure

Li chang-jun

Detecting device

XU XIA

System and method for testing electronic device

MACRONIX INT CO LTD

Semiconductor device and critical dimension defining method thereof

Qin wei-min

Testing apparatus

Zhang yun-fei

Output adjustment circuit for power supply unit

CHIMEI INNOLUX CORP

Detecting lamp currents and providing feedback for adjusting lamp driving voltages

Gao zhi-yong

Power supply switch apparatus