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USPTO Patent Rankings Data through Sept 30, 2025
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Dnf Co. — 4 Patents in 2021

Rank (2021): #8,921 of 31,507Top 30%
23 inventors
4 Patents 2021

Top Inventors at Dnf Co. 2021

Showing 1–23 of 23 inventors

RankNamePatents
1 Myong Woon Kim 4
1 Sang Ick Lee 4
3 Kang-Yong Lee 3
#4 Jae-Soon Lim 2
#4 Sang Yong Jeon 2
#4 Youn-Joung Cho 2
#7 A Ra Cho 1
#7 Byeong-il YANG 1
#7 Chang-Woo Sun 1
#7 Gun Joo PARK 1
#7 Haeng Don LIM 1
#7 Jeong Joo PARK 1
#7 Ji-Eun Yun 1
#7 Joong Jin PARK 1
#7 Sang-Do Lee 1
#7 Sam Dong LEE 1
#7 Sang Jun Yim 1
#7 Se Jin JANG 1
#7 Seung-min Ryu 1
#7 Sung Woo Cho 1
#7 Sung-Gi Kim 1
#7 Won Mook CHAE 1
#7 Youn Soo Kim 1