Inventor

LIU YUBO

CN7 patents

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

SHENZHEN TOMTOC TECH CO LTD

3 patents

USD881992SApr 21, 2020

LIU YUBO

1 patent

US8806970B2Aug 19, 2014

Sealing device for a device for measuring the fill level in a fluid container

LIU YUBO3 citations54

UNIV HAINAN

1 patent

US12331517B2Jun 17, 2025

Composite wall being lightweight, easy to be prefabricated and convenient for on-site construction

UNIV HAINAN0 citations43

INST GEOLOGY & GEOPHYSICS CAS

1 patent

US11268383B2Mar 8, 2022

Type of energy-absorbing rock bolt device with umbrella-shaped structure

INST GEOLOGY & GEOPHYSICS CAS0 citations43

SHANGHAI RUIZHIKANG MEDICAL TECH CO LTD

1 patent

US12397081B2Aug 26, 2025

Hydrophilic fiber membrane with sustained-release drug and preparation method and use thereof

SHANGHAI RUIZHIKANG MEDICAL TECH CO LTD0 citations38

LIU YUBO

SHENZHEN TOMTOC TECH CO LTD

Protective case for game device

Laptop bag

Anti-collision corner armor for laptop bag

LIU YUBO

Sealing device for a device for measuring the fill level in a fluid container

UNIV HAINAN

Composite wall being lightweight, easy to be prefabricated and convenient for on-site construction

INST GEOLOGY & GEOPHYSICS CAS

Type of energy-absorbing rock bolt device with umbrella-shaped structure

SHANGHAI RUIZHIKANG MEDICAL TECH CO LTD

Hydrophilic fiber membrane with sustained-release drug and preparation method and use thereof