DW

Dong-kwan Won

HC Hanwha Techwin Co.: 4 patents #44 of 523Top 9%
Samsung: 4 patents #25,854 of 75,807Top 35%
HC Haesung Ds Co.: 2 patents #13 of 40Top 35%
HC Hanwha Aerospace Co.: 1 patents #24 of 134Top 20%
NC N.P.S. Company: 1 patents #9 of 18Top 50%
Overall (All Time): #410,713 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11486035 Graphene synthesis chamber and method of synthesizing graphene by using the same Won-Sik NAM 2022-11-01
10882748 Graphene synthesis apparatus and graphene synthesis method using the same 2021-01-05
10714231 Graphene wire, cable employing the same, and method of manufacturing the same Jae-chul Ryu 2020-07-14
10480075 Graphene synthesis chamber and method of synthesizing graphene by using the same Won-Sik NAM 2019-11-19
10040683 Multi-layered graphene sheet and method of fabricating the same Jong Hyuk Yoon, Duk-hwa Na, Young Il Song, Byung Hee Hong, Na Young Kim 2018-08-07
9315001 Method and apparatus for transferring graphene Duk-hwa Na, Jong Hyuk Yoon, Young Il Song 2016-04-19
9136112 Method of post treating graphene and method of manufacturing graphene using the same Seung-Min Cho, Jong Hyuk Yoon, Doc-Hwa Na 2015-09-15
9128050 Apparatus and method for inspecting graphene board 2015-09-08
8419880 Method of transferring graphene Se-hoon Cho 2013-04-16
7811626 Printed circuit board and method of manufacturing the same Chang Soo Jang, Hyoung-ho Roh, Jae-chul Ryu 2010-10-12
7470461 Printed circuit board and method of manufacturing the same Chang Soo Jang, Hyoung-ho Roh, Jae-chul Ryu 2008-12-30
7199462 Substrate for producing semiconductor packages Chang Soo Jang, Jae-chul Ryu 2007-04-03