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

Eun Joo JANG — 350 Patents

Samsung: 347 patents #16 of 75,807Top 1%
BUBilkent University: 3 patents #2 of 15Top 15%
UPUniversity of Pennsylvania: 3 patents #522 of 2,719Top 20%
KAIST: 2 patents #4,169 of 11,619Top 40%
STSeagate Technology: 2 patents #2,011 of 4,722Top 45%
University of California: 1 patents #8,022 of 18,278Top 45%
DLDavy Process Technology Limited: 1 patents #41 of 65Top 65%
TCThe University Of Chicago: 1 patents #530 of 1,377Top 40%
UCUniversity Of California—Berkeley: 1 patents #15 of 41Top 40%
SFSeoul National University Industry Foundation: 1 patents #226 of 804Top 30%
SFSeoul National University R&Db Foundation: 1 patents #847 of 2,771Top 35%
Suwon-si, KR: #5 of 18,685 inventorsTop 1%
Overall (All Time): #893 of 4,157,543Top 1%
350 Patents All Time
Eun Joo JANG has been granted 350 US patents while listed as an inventor at Samsung. The first was granted in 2002 and the most recent in December 2025. Eun Joo JANG ranks #893 of 4,157,543 US inventors in our database (top 0.02%). Patent records list Eun Joo JANG in Suwon-si, KR.

Patents per Year

Patents granted per year, 2002 to 2025Bar chart with a peak of 54 patents in 2023.peak 542002: 1 patents20022003: 3 patents2005: 1 patents2006: 1 patents20062007: 3 patents2008: 2 patents2009: 6 patents20092010: 7 patents2011: 8 patents2012: 12 patents20122013: 13 patents2014: 10 patents2015: 10 patents20152016: 7 patents2017: 13 patents2018: 11 patents20182019: 19 patents2020: 37 patents2021: 44 patents20212022: 29 patents2023: 54 patents2024: 32 patents20242025: 27 patents2025

Issued Patents All Time

Showing 1–25 of 350 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12509631 Semiconductor nanocrystal particles and devices including the same Jeong Heon Lee, Hyun-Kyu Kang, Tae-ui Kim 2025-12-30
12509415 Compounds, liquid compositions including compounds, and electroluminescent devices Fumiaki Kato, Tomoyuki Kikuchi, Hirofumi Endo, Keigo FURUTA, Keisuke KORAI +8 more 2025-12-30
12503646 Quantum dot device, film having multilayered structure, and electronic device Kwan-Wook Kim, Seokwon Lee, Ted Sargent 2025-12-23
12477891 Quantum dot light-emitting device and electronic device Moon Gyu Han, Heonmin Lee, Tae Ho Kim, Kun Su Park, Won Sik YOON +1 more 2025-11-18
12448563 Light emitting device and display device including the same Oul Cho, Kwan-Wook Kim 2025-10-21
12453143 Quantum dots and devices including the same Soo Kun Kwon, Youngkook Kim, Jinsic MIN 2025-10-21
12446432 Display panel, production method thereof, and display device including the same Youngkook Kim, Ji Yean Kim, Soo Kun Kwon, Sunghyun HWANG 2025-10-14
12441901 Quantum dot ink composition, and quantum dot electroluminescent device Keigo FURUTA, Hirofumi Endo, Takao Motoyama, Yuuta Yamada, Tomoyuki Kikuchi +4 more 2025-10-14
12439745 Display panel and electronic device including the same Soo Kun Kwon, Youngkook Kim 2025-10-07
12433089 Light emitting device, method for manufacturing the same, and electronic device including the same Hongkyu SEO, Tae Hyung Kim, Won Sik YOON, Hyo Sook JANG, Oul Cho 2025-09-30
12389744 Electroluminescent device, production method thereof, and display device including the same Kwanghee KIM, Hong Kyu SEO, Heejae LEE, Hyo Sook JANG 2025-08-12
12382823 Semiconductor nanocrystal particle and production methods thereof Jihyun MIN, Edward Hartley Sargent, Hyo Sook JANG, Makhsud Saidaminov, Sjoerd HOOGLAND +3 more 2025-08-05
12371617 Quantum dots, quantum dot-polymer composite, and electronic device including the same Jihyun MIN, Yong Wook Kim 2025-07-29
12364092 Electroluminescent display device including a red pixel, a green pixel, and a blue pixel Sanghyun SOHN, Tae Hyung Kim, Hyo Sook JANG 2025-07-15
12359124 Quantum dots, and electronic devices and electronic equipments including same Jihyun MIN, Soo Kyung Kwon, Seon-Yeong Kim, Yong Wook Kim, Ji-Yeong Kim +1 more 2025-07-15
12356790 Display device and light emitting device Tae Hyung Kim, Heejae CHUNG, Sujin PARK, Yuho WON 2025-07-08
12338380 Quantum dots and devices including the same Yuho WON, Sung Woo Kim, Jin A Kim, Jeong Hee Lee, Tae Hyung Kim 2025-06-24
12312526 Quantum dots and devices including the same Jihyun MIN, Yuho WON, Hyo Sook JANG 2025-05-27
12227687 Semiconductor nanocrystal particles and devices including the same Sung Woo Kim, Jin A Kim, Tae Hyung Kim, Jeong Hee Lee 2025-02-18
12225746 Light emitting device, production method thereof, and display device including the same Hyo Sook JANG, Ilyoung LEE, Tae Ho Kim, Kun Su PARK, Jun-Mo YOO 2025-02-11
12215266 Nanocrystal particles and processes for synthesizing the same Hyunki Kim, Shin Ae Jun, Yongwook Kim, Tae Gon Kim, Yuho WON +2 more 2025-02-04
12213333 Light emitting device with electron auxiliary layer including metal oxide nanoparticles, and method of manufacturing the light emitting device, and display device Hongkyu SEO, Kwanghee KIM, Won Sik YOON, Tae Hyung Kim, Tae Ho Kim 2025-01-28
12187942 Cadmium free quantum dot including lithium, production method thereof, and electronic device including the same Yong Wook Kim, Hyo Sook JANG, Soo Kyung Kwon, Seon-Yeong Kim, Ji-Yeong Kim 2025-01-07
12193252 Quantum dot light emitting device with electron auxiliary layer and display device including the same Heejae LEE, Sung Woo Kim, Dae Young CHUNG, Moon Gyu Han 2025-01-07
12187939 Quantum dots, production method thereof, and composite and electronic device including the same Jihyun MIN, Seon-Yeong Kim, Hyo Sook JANG, Soo Kyung Kwon, Yong Wook Kim 2025-01-07