Inventor · disambiguated record
Roger C. Y. Chung
Also filed as: CHUNG ROGER C · CHUNG ROGER C Y
8 granted patents·6 pending applications·96 citations·filing 1997–2021
86Inventor score
Top patents by PatentIndex Score
14 records- 0186US11291276B1Closed end zipper with combined bottom stopCHUNG ROGER C Y·Filed 2021·Granted Apr 5, 2022·3 cites·20 claims
- 0285US6654988B1Stoppable zipper slider capable of being reassembled with pull tabFiled 2002·Granted Dec 2, 2003·37 cites·9 claims
- 0381US9717310B1Waterproof open-end zipperCHUNG ROGER C Y·Filed 2016·Granted Aug 1, 2017·5 cites·7 claims
- 0479US8793847B2Double-layer nylon zipperCHUNG ROGER C Y·Filed 2012·Granted Aug 5, 2014·7 cites·8 claims
- 0563US5860192APull tab mounting arrangement for a zipperKEEN CHING IND CO LTD·Filed 1998·Granted Jan 19, 1999·28 cites·5 claims
- 0657US2015150358A1Hanging beltCHUNG ROGER C Y·Filed 2013·Application pending·0 cites
- 0750US6618911B1Bottom open-end type invisible zipper with a movable bottom-end pieceFiled 2000·Granted Sep 16, 2003·4 cites·4 claims
- 0848US2016183640A1Snap button zipperCHUNG ROGER C Y·Filed 2014·Application pending·0 cites
- 0944US2014366336A1Waterproof dual-track zipperCHUNG ROGER C Y·Filed 2013·Application pending·0 cites
- 1041US2005268438A1Invisible zipper having ornamental slider bodiesCHUNG ROGER C·Filed 2004·Application pending·0 cites
- 1139US2009113676A1ZipperCHUNG ROGER C Y·Filed 2007·Application pending·0 cites
- 1238US5836059AInvisible zipper with open-endKEEN CHING IND CO LTD·Filed 1997·Granted Nov 17, 1998·8 cites·1 claims
- 1336US2016015133A1Zipper with stamped metal zipper teethCHUNG ROGER C Y·Filed 2015·Application pending·0 cites
- 1428US6079085AInvisible zip fastener with double open endFiled 1999·Granted Jun 27, 2000·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →