DC

Doowhan Choi

LG: 28 patents #1,388 of 26,165Top 6%
AT AT&T: 2 patents #7,280 of 18,772Top 40%
AT American Telephone And Telegraph: 1 patents #132 of 699Top 20%
📍 Daejeon, NH: #1 of 1 inventorsTop 100%
Overall (All Time): #116,081 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
10312445 Polymer and organic electronic element comprising same Bogyu Lim, Jaechol Lee, Sungkyoung Kang 2019-06-04
9680101 Copolymer and organic solar cell comprising same Jinseck Kim, Jaechol Lee, Keun CHO, Hangken Lee, Songrim Jang 2017-06-13
9660194 Copolymer and organic solar cell comprising same Jinseck Kim, Songrim Jang, Jaechol Lee, Hangken Lee, Keun CHO +2 more 2017-05-23
5131013 Asynchronous-synchronous digital transmission signal conversion 1992-07-14
4847875 Timing circuit including jitter compensation 1989-07-11
4764941 Digital frame synchronizer 1988-08-16