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

Hak Seo OH — 8 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
Samsung: 2 patents #38,282 of 75,807Top 55%
Seojong-myeon, KR: #1,465 of 10,205 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Hak Seo OH has been granted 8 US patents while listed as an inventor at Unknown. The first was granted in 1993 and the most recent in March 2023. Hak Seo OH ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Hak Seo OH in Seojong-myeon, KR.

Patents per Year

Patents granted per year, 1993 to 2023Bar chart with a peak of 3 patents in 2019.peak 31993: 1 patents19932005: 1 patents20052019: 3 patents20192020: 2 patents20202023: 1 patents2023

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11597607 Automated material handling system having carrier pollution management function Sang Kyo Ahn, Jin Hwan Ko, Sang Gyu Han, Sung Ik KIM, Sung Hyuk YOUN +5 more 2023-03-07
10684613 Data communication method for reducing working time of automated material handling system 2020-06-16
10593578 Initialization setting method for RF communication of unmanned transporting device in automated material handling system Youl Kwon SUNG 2020-03-17
10491268 Communicating method between master communication device and slave communication device for controlling cripper-unit in hoist device of rail car Hyo Seok Park, Sung Hyuk YOUN, Youl Kwon SUNG, Sung Ik KIM, Jin Hwan Ko 2019-11-26
10425158 Apparatus for controlling line guide of automated material handling system and method thereof Hyo Suk PARK, Jin Hwan Ko, Sung Hyuk YOUN, Youl Kwon SUNG 2019-09-24
10289105 Method for RF communication between automated guided vehicle and manufacturing equipment in automated material handling system Youl Kwon SUNG 2019-05-14
6934824 Dual-port memory controller for adjusting data access timing Hyo-seung Woo 2005-08-23
5210776 Counter circuit for controlling an absolute position of a robot system Sung-Kwon Kim 1993-05-11