Inventor

LIU YINGJIAN

CN5 patents

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

HANWANG TECHNOLOGY CO LTD

2 patents

US7696444B2Apr 13, 2010

Device for varying capacitance

HANWANG TECHNOLOGY CO LTD10 citations78

US7623120B2Nov 24, 2009

Wireless and passive tablet for inputting to computer

HANWANG TECHNOLOGY CO LTD6 citations59

LIU YINGJIAN

2 patents

US9116591B2Aug 25, 2015

Method and apparatus for scroll information input in electromagnetic induction way

LIU YINGJIAN0 citations32

US8797300B2Aug 5, 2014

Method for measuring distance between coordinate indicator and coordinate input device

LIU YINGJIAN0 citations30

HANWANG TECH CO LTD

1 patent

US11577850B2Feb 14, 2023

Aircraft, control method, apparatus and computer readable storage medium for aircraft

HANWANG TECH CO LTD0 citations40