Ja-Hyun Koo has been granted 11 US patents while listed as an inventor at Sk Hynix . The first was granted in 2001 and the most recent in September 2025. Ja-Hyun Koo ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Ja-Hyun Koo in Yongheung-ri, KR.
Patents per Year Patents granted per year, 2001 to 2025 Bar chart with a peak of 2 patents in 2019. peak 2 2001: 1 patents 2001 2012: 1 patents 2012 2015: 1 patents 2015 2018: 1 patents 2018 2019: 2 patents 2019 2020: 2 patents 2020 2022: 1 patents 2022 2023: 1 patents 2023 2025: 1 patents 2025 Issued Patents All Time
Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date
12422996 Controller for controlling one-time programmable memory, system, and operation method thereof — 2025-09-23
11566055 Composition for preventing or treating autoimmune disease based on LRR domain of NLRX1 protein Je-Min CHOI 2023-01-31
11292023 Substrate processing apparatus Woo-Young Park , Chang Hee Han , Sung-Eun Lee , Sung-Ho Jeon , Byoung Guk Son +2 more 2022-04-05
10858395 Skin-penetrating peptide and method for using same Je-Min CHOI , Wonju KIM , Jiyun KIM 2020-12-08
10666236 Quadrature relaxation oscillator using frequency error compensation loop Jae-Yoon Sim 2020-05-26
10467091 Memory module, memory system including the same, and error correcting method thereof Jong-Hyun Park , Sung-Eun Lee , Seung-Gyu Jeong 2019-11-05
10204037 Memory device, memory controller and operation method thereof Jung-Hyun Kwon 2019-02-12
10025724 Address mapping method of memory system Jong-Hyun Park , Seung-Gyu Jeong , Jung-Hyun Kwon 2018-07-17
9156111 Lead free solder bumps Sung Jae Hong , Keun Soo Kim , Chang Woo Lee , Jung Hwan Bang , Yong Ho Ko +7 more 2015-10-13
8126587 Apparatus for recognizing and processing information of electronic parts Man-Hee Lee , Sun-Jeong Kang 2012-02-28
6201746 Test method for high speed memory devices in which limit conditions for the clock are defined Jong-Bok Tcho , Hyun-Seop Shim , Jeong-Ho Bang 2001-03-13
