Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SL

Sangman LEE — 4 Patents

SCSysmate Co.: 2 patents #1 of 12Top 9%
LG: 1 patents #17,528 of 26,165Top 70%
Samsung: 1 patents #50,112 of 75,807Top 70%
Seoul, KR: #12,506 of 39,741 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Sangman LEE has been granted 4 US patents while listed as an inventor at Sysmate Co.. The first was granted in 2014 and the most recent in November 2023. Sangman LEE ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Sangman LEE in Seoul, KR.

Patents per Year

Patents granted per year, 2014 to 2023Bar chart with a peak of 1 patents in 2014.peak 12014: 1 patents20142015: 1 patents20152022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11831403 Network interface card structure and clock synchronization method to precisely acquire heterogeneous PTP synchronization information for PTP synchronization network extension Seungphil LEE, Yookyoung LEE, Ganho CHOI 2023-11-28
11470049 Method of providing communication channel for secure management between physically separated uniway data transmitting device and uniway data receiving device in uniway security gateway system, and uniway data transceiving device for providing two uniway communication channels therefor Shinil Moon, Seungtae Paek 2022-10-11
9014761 Mobile terminal Jina Park, Junghyeong HA, Byungwoon Jung, Youngbae Kwon, Changwon YUN 2015-04-21 $33,000
8697568 Semiconductor chip including a plurality of chip areas and fabricating method thereof Young-Min Kang, Hyungwoo Kim, Ki-Chul Park 2014-04-15