Inventor

QI LIN

CN15 patents

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

YOUCARE TECH CO LTD WUHAN

2 patents

US10617283B2Apr 14, 2020

Self-locking angle adjustment mechanism for endoscope

YOUCARE TECH CO LTD WUHAN2 citations64

US10542876B2Jan 28, 2020

Multidirectional turning endoscope

YOUCARE TECH CO LTD WUHAN0 citations32

TSUBAKI EMERSON GEAR TIANJIN C

2 patents

US7226255B2Jun 5, 2007

Five-simultaneously-working-axis computerized numerical controlled tooth cutting machine tool for plane enveloping toroidal worms

TSUBAKI EMERSON GEAR TIANJIN C5 citations57

US7044691B2May 16, 2006

Forming method for milling threads of variable tooth worms

TSUBAKI EMERSON GEAR TIANJIN C5 citations57

SIEMENS AG

2 patents

US11736524B2Aug 22, 2023

Network traffic sending method and apparatus, and hybrid honeypot system

SIEMENS AG0 citations51

US12075240B2Aug 27, 2024

Authentication method and apparatus

SIEMENS AG0 citations50

(unassigned)

1 patent

US5888325AMar 30, 1999

Decorative floral article

9 citations72

QI LIN

1 patent

US8727229B2May 20, 2014

Longitudinal sleeper and damping railway system thereof

QI LIN4 citations66

TIANJIN EVERBEST GEAR CO LTD

1 patent

US6176148B1Jan 23, 2001

Variable tooth worm

TIANJIN EVERBEST GEAR CO LTD13 citations66

GOERTEK INC

1 patent

US11122352B2Sep 14, 2021

Wireless earphone

GOERTEK INC0 citations61

YANGTZE MEMORY TECH CO LTD

1 patent

US11982709B2May 14, 2024

Methods and structures for semiconductor device testing

YANGTZE MEMORY TECH CO LTD0 citations53

CHINA PETROLEUM & CHEM CORP

1 patent

US11840508B2Dec 12, 2023

Catalyst system for olefin polymerization and use thereof

CHINA PETROLEUM & CHEM CORP0 citations49

CHINA TOBACCO YUNNAN IND CO LTD

1 patent

US11690394B2Jul 4, 2023

Device and method for separating light flaky cut rolled stems (CRSs) by throwing roller

CHINA TOBACCO YUNNAN IND CO LTD0 citations45

BAOJI SAFE PETROLEUM MACHINERY CO LTD

1 patent

US12503919B2Dec 23, 2025

Integrated plugging and perforating operation system

BAOJI SAFE PETROLEUM MACHINERY CO LTD0 citations38

HONGYUNHONGHE TOBACCO GROUP CO LTD

1 patent

US11302135B1Apr 12, 2022

Apparatus for selling cigarettes and system for accessing cigarettes

HONGYUNHONGHE TOBACCO GROUP CO LTD0 citations35