Inventor · disambiguated record
Gun-Soo Chang
Also filed as: CHANG GUN SOO
6 granted patents·1 pending application·20 citations·filing 2007–2018
76Inventor score
Technology areasG03G
Files withSAMSUNG ELECTRONICS CO LTD4HP PRINTING KOREA CO LTD1KIM JONG-IN1S PRINTING SOLUTION CO LTD1
Top patents by PatentIndex Score
7 records- 0190US7912403B2Image forming apparatus with frame and pressing memberSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Mar 22, 2011·13 cites·6 claims
- 0282US8391747B2Process cartridge and image forming apparatus having the sameKIM JONG-IN·Filed 2010·Granted Mar 5, 2013·3 cites·27 claims
- 0368US8050581B2Image forming apparatus and control method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2009·Granted Nov 1, 2011·3 cites·25 claims
- 0458US8787792B2Process cartridge and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Jul 22, 2014·0 cites·29 claims
- 0557US7680434B2Developing cartridge, image forming apparatus having the same, and maintenance method of developing cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Mar 16, 2010·1 cites·36 claims
- 0647US10466621B2Developing cartridge and electrophotographic image forming apparatus employing sameHP PRINTING KOREA CO LTD·Filed 2018·Granted Nov 5, 2019·0 cites·15 claims
- 0737US2018046129A1Development cartridge and electrophotographic image forming apparatus adopting the sameS PRINTING SOLUTION CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →