Inventor · disambiguated record
He-Jin Chen
Also filed as: CHEN HE-JIN
6 granted patents·137 citations·filing 1997–2003
85Inventor score
Top patents by PatentIndex Score
6 records- 0190US6146041ASponge mop with cleaning tank attached theretoFiled 2000·Granted Nov 14, 2000·58 cites·5 claims
- 0277US6644877B1Detergent feeding mechanism for a cleaning deviceFiled 2003·Granted Nov 11, 2003·27 cites·6 claims
- 0371US6217244B1Sponge mop with a cleaning tank attached theretoFiled 2000·Granted Apr 17, 2001·22 cites·7 claims
- 0467US6220527B1Cleaning device having cleaning agent provided thereinFiled 2000·Granted Apr 24, 2001·15 cites·9 claims
- 0554US6905087B2Hose reel deviceFiled 2003·Granted Jun 14, 2005·5 cites·6 claims
- 0638US5701639ASecuring device for footwearFiled 1997·Granted Dec 30, 1997·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →