Inventor · disambiguated record
Tsung-Chih Chang
Also filed as: CHANG TSUNG CHIH
11 granted patents·4 pending applications·72 citations·filing 1997–2019
87Inventor score
Files withCHANG TSUNG CHIH11TEN SHENG ASSORTED HOUSEWARE CO LTD2SHAGHAI ONE TOP CORP1SHANGHAI ONE TOP CORP1
Top patents by PatentIndex Score
15 records- 0189US10753384B1Suction cupTEN SHENG ASSORTED HOUSEWARE CO LTD·Filed 2019·Granted Aug 25, 2020·22 cites·9 claims
- 0289US9803682B1Suction cup deviceCHANG TSUNG-CHIH·Filed 2017·Granted Oct 31, 2017·13 cites·7 claims
- 0381US8292337B2Device for controlling a doorCHANG TSUNG-CHIH·Filed 2006·Granted Oct 23, 2012·17 cites·13 claims
- 0473US9565962B2Multi-functional fruit and vegetable shaping toolCHANG TSUNG-CHIH·Filed 2015·Granted Feb 14, 2017·2 cites·9 claims
- 0571US9365329B1Container sealCHANG TSUNG-CHIH·Filed 2015·Granted Jun 14, 2016·2 cites·10 claims
- 0663USD389948SLamp standCHANG TSUNG CHIH·Filed 1997·Granted Jan 27, 1998·13 cites·1 claims
- 0752US10974371B2Hand toolCHANG TSUNG CHIH·Filed 2019·Granted Apr 13, 2021·0 cites·16 claims
- 0852US2012217238A1Telescopic kettleCHANG TSUNG CHIH·Filed 2011·Application pending·0 cites
- 0950US10422168B2Energy-saving magnetic lockSHAGHAI ONE TOP CORP·Filed 2013·Granted Sep 24, 2019·2 cites·13 claims
- 1049US2009174553A1electromagnetic door lockCHANG TSUNG CHIH·Filed 2006·Application pending·0 cites
- 1148US10519695B2Cathode lock and method allowing the cathode lock to switch between normally-opened state and normally-closed stateSHANGHAI ONE TOP CORP·Filed 2015·Granted Dec 31, 2019·1 cites·8 claims
- 1246US9510618B2Juice extracting deviceCHANG TSUNG CHIH·Filed 2013·Granted Dec 6, 2016·0 cites·7 claims
- 1342US2017259410A1Hand toolCHANG TSUNG-CHIH·Filed 2016·Application pending·0 cites
- 1436US2020248738A1Suction cupTEN SHENG ASSORTED HOUSEWARE CO LTD·Filed 2019·Application pending·0 cites
- 1528USD760040SEggshell cutterCHANG TSUNG-CHIH·Filed 2014·Granted Jun 28, 2016·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →