GJ

Gyu-nam Ju

Samsung: 4 patents #25,854 of 75,807Top 35%
📍 Seoul, KR: #12,129 of 39,741 inventorsTop 35%
Overall (All Time): #1,284,267 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5982083 Cathode for electron tube Jong-Seo Choi, Keun Bae Kim, Kwang-Min Lee, Kwi-Seok Choi, Su Chan LEE +1 more 1999-11-09
5698937 Cathode for electron tube Jong-Seo Choi, Keun Bae Kim, Kwang-Min Lee, Kwi-Seok Choi 1997-12-16
5548184 Oxide cathode employing Ba evaporation restraining layer Kwi-Seok Choi, Jong-Seo Choi, Kyung-cheon Shon, Sang Won Lee 1996-08-20
5519280 Oxide cathode Kyung-cheon Shon, Jong-Seo Choi, Kwi-Seok Choi, Sang Won Lee 1996-05-21