Inventor · disambiguated record
Jung-Yuan Cheng
Also filed as: CHENG JUNG-YUAN
11 granted patents·2 pending applications·119 citations·filing 1993–2018
90Inventor score
Files withUNITECH ZIPPER & MACHINERY CO LTD8UNITECH ZIPPER AND MACHINERY C2CHENG JUNG-YUAN1SAGITTARIUS SPORTING GOODS CO1
Top patents by PatentIndex Score
13 records- 0196US10575599B2Watertight slide fastenerUNITECH ZIPPER & MACHINERY CO LTD·Filed 2018·Granted Mar 3, 2020·22 cites·12 claims
- 0293US10080405B2Double-layered watertight zipperUNITECH ZIPPER & MACHINERY CO LTD·Filed 2017·Granted Sep 25, 2018·12 cites·17 claims
- 0392US10144160B2Method for manufacturing a watertight zipperUNITECH ZIPPER & MACHINERY CO LTD·Filed 2016·Granted Dec 4, 2018·11 cites·7 claims
- 0491US10421222B2Method for manufacturing a watertight zipperUNITECH ZIPPER & MACHINERY CO LTD·Filed 2015·Granted Sep 24, 2019·5 cites·11 claims
- 0563USD657287SZipper toothCHENG JUNG-YUAN·Filed 2011·Granted Apr 10, 2012·15 cites·1 claims
- 0662USD528040SLower stop device for an invisible zipperUNITECH ZIPPER AND MACHINERY C·Filed 2004·Granted Sep 12, 2006·13 cites·1 claims
- 0761US5390503ARecovery and recycling system for refrigerantFiled 1993·Granted Feb 21, 1995·28 cites·6 claims
- 0854USD893348SChain for slide fastenerUNITECH ZIPPER & MACHINERY CO LTD·Filed 2018·Granted Aug 18, 2020·6 cites·1 claims
- 0948US2006207069A1Water resistant slide fastenerSAGITTARIUS SPORTING GOODS CO·Filed 2005·Application pending·0 cites
- 1045USD510891SStop device for a two-way invisible zipperUNITECH ZIPPER AND MACHINERY C·Filed 2004·Granted Oct 25, 2005·6 cites·1 claims
- 1143US2019037976A1Waterproof Fastener Tape and Watertight Slide Fastener Including the SameUNITECH ZIPPER & MACHINERY CO LTD·Filed 2017·Application pending·0 cites
- 1234USD823719SSlide fastener tapeUNITECH ZIPPER & MACHINERY CO LTD·Filed 2017·Granted Jul 24, 2018·1 cites·1 claims
- 1329USD823718SWatertight zipperUNITECH ZIPPER & MACHINERY CO LTD·Filed 2017·Granted Jul 24, 2018·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →