Inventor · disambiguated record
Joon Ho Chang
Also filed as: CHANG JOON HO · CHANG JOON WHAN
10 granted patents·2 pending applications·288 citations·filing 1999–2008
92Inventor score
Top patents by PatentIndex Score
12 records- 0191US6588310B2Saw blade shankEHWA DIAMOND IND CO LTD·Filed 2001·Granted Jul 8, 2003·43 cites·10 claims
- 0288US7954483B2Cutting segment for cutting tool and cutting toolsEHWA DIAMOND IND CO LTD·Filed 2006·Granted Jun 7, 2011·15 cites·22 claims
- 0388USD466139SCore drillEHWA DIAMOND IND CO LTD·Filed 2001·Granted Nov 26, 2002·40 cites·1 claims
- 0486USD463965SGrinding wheelEHWA DIAMOND IND CO LTD·Filed 2001·Granted Oct 8, 2002·34 cites·1 claims
- 0585US7854039B2Handle assembly rotatable in all directions and cleaner having the sameSAMSUNG KWANGJU ELECTRONICS CO·Filed 2008·Granted Dec 21, 2010·19 cites·14 claims
- 0681USD474954SGrinding cupEHWA DIAMOND IND CO LTD·Filed 2001·Granted May 27, 2003·27 cites·1 claims
- 0776US6527634B2Grinding wheel with segments for preventing one-sided wearEHWA DIAMOND IND CO LTD·Filed 2001·Granted Mar 4, 2003·19 cites·6 claims
- 0875US6728414B1De-blocking method and apparatusSAMSUNG ELECTRONICS CO LTD·Filed 1999·Granted Apr 27, 2004·67 cites·22 claims
- 0974USD477207SGrinding cupEHWA DIAMOND IND CO LTD·Filed 2001·Granted Jul 15, 2003·20 cites·1 claims
- 1070US7661419B2Cutting segment for diamond tool and diamond tool having the segmentEHWA DIAMOND IND CO LTD·Filed 2006·Granted Feb 16, 2010·4 cites·22 claims
- 1145US2008219783A1Cutting Segment of Cutting Tool and Cutting ToolEHWA DIAMOND IND CO LTD·Filed 2005·Application pending·0 cites
- 1240US2004058023A1Skin external preparation containing pine pollen or pine pollen extractFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →