Inventor
LIEN CHIEN-CHIA
TW16 patents
⚠️ This page may combine multiple inventors who share the name “LIEN CHIEN-CHIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WACOM CO LTD
7 patentsUS10551943B2Feb 4, 2020
Micro touch pen structure including pen core with stop portion that moves together with magnetic unit when pressure is applied to movable portion of pen core
WACOM CO LTD1 citations71
US10289215B2May 14, 2019
Micro touch pen structure including pen core with stop portion
WACOM CO LTD0 citations50
US10037090B2Jul 31, 2018
Micro touch pen structure including pen core with stop portion
WACOM CO LTD0 citations50
US9632596B2Apr 25, 2017
Micro touch pen structure having a pen core unit with a stop portion
WACOM CO LTD0 citations50
US10180737B2Jan 15, 2019
Thin electromagnetic handwriting pen and method of manufacturing the same
WACOM CO LTD0 citations48
US9535513B2Jan 3, 2017
Thin electromagnetic handwriting pen and method of manufacturing the same
WACOM CO LTD0 citations48
US9152250B2Oct 6, 2015
Electromagnetic pointer with new type adjustment structure
WACOM CO LTD0 citations37
WALTOP INT CORP
4 patentsUSD697915SJan 21, 2014
Electromagnetic input device
WALTOP INT CORP26 citations91
US9171664B2Oct 27, 2015
Touch input device and induction coil thereof
WALTOP INT CORP1 citations50
US9158394B2Oct 13, 2015
Stylus for use with capacitive touch panel
WALTOP INT CORP1 citations50
US8350165B2Jan 8, 2013
Flexible tablet
WALTOP INT CORP0 citations41