BK

Boing-jo KANG

Samsung: 2 patents #37,631 of 75,807Top 50%
Overall (All Time): #2,067,421 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8388148 Optical system including a blocking unit Kee-uk Jeon, Sang-Ik Kim, Kyoung-choul Jang, Wook Jeon 2013-03-05
8289637 Focus adjustment device for use in portable image projection apparatus Jun Seok Park, Sang-Ik Kim 2012-10-16