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Hsinchu City, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Stylus structure having a barrier unit for contacting with a trigge...
Patent number
11,023,057
Issue date
Jun 1, 2021
Waltop International Corporation
Yi-Chih Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Message erasing device and message erasing system
Patent number
10,895,930
Issue date
Jan 19, 2021
Waltop International Corporation
Yi-Chih Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Capacitive stylus with power saving apparatus
Patent number
9,766,687
Issue date
Sep 19, 2017
Waltop International Corporation
Ying Hwa Tang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic attractive capacitive stylus
Patent number
9,733,733
Issue date
Aug 15, 2017
Waltop International Corporation
Ying Hwa Tang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Capacitive stylus with eraser
Patent number
9,639,182
Issue date
May 2, 2017
Waltop International Corporation
Ying Hwa Tang
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
STYLUS STRUCTURE HAVING A BARRIER UNIT FOR CONTACTING WITH A TRIGGE...
Publication number
20210124436
Publication date
Apr 29, 2021
WALTOP INTERNATIONAL CORPORATION
YI-CHIH CHANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PRESSURE SENSING MOUSE
Publication number
20200272253
Publication date
Aug 27, 2020
WALTOP INTERNATIONAL CORPORATION
WEN-CHI CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MESSAGE ERASING DEVICE AND MESSAGE ERASING SYSTEM
Publication number
20200050340
Publication date
Feb 13, 2020
WALTOP INTERNATIONAL CORPORATION
YI-CHIH CHANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAPACITIVE STYLUS WITH POWER SAVING APPARATUS
Publication number
20170308190
Publication date
Oct 26, 2017
WALTOP INTERNATIONAL CORPORATION
Ying Hwa Tang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAPACITIVE STYLUS WITH REPLACEABLE CONDUCTIVE NIB
Publication number
20170242501
Publication date
Aug 24, 2017
WALTOP INTERNATIONAL CORPORATION
Ying-Hwa Tang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAPACITIVE STYLUS WITH POWER SAVING APPARATUS
Publication number
20170123474
Publication date
May 4, 2017
WALTOP INTERNATIONAL CORPORATION
Ying Hwa Tang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAPACITIVE STYLUS WITH ERASER
Publication number
20170108954
Publication date
Apr 20, 2017
WALTOP INTERNATIONAL CORPORATION
Ying Hwa Tang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAPACITIVE STYLUS
Publication number
20170108956
Publication date
Apr 20, 2017
WALTOP INTERNATIONAL CORPORATION
YING-HWA TANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RETRACTABLE CAPACITANCE PEN
Publication number
20170108948
Publication date
Apr 20, 2017
WALTOP INTERNATIONAL CORPORATION
YING-HWA TANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAPACITIVE WHITEBOARD ERASER
Publication number
20170108962
Publication date
Apr 20, 2017
WALTOP INTERNATIONAL CORPORATION
YING HWA TANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MAGNETIC ATTRACTIVE CAPACITIVE STYLUS
Publication number
20170108952
Publication date
Apr 20, 2017
WALTOP INTERNATIONAL CORPORATION
Ying Hwa Tang
G06 - COMPUTING CALCULATING COUNTING