Youngmi Beak — 10 Patents at Doosan

Youngmi Beak has been granted 10 US patents while listed as an inventor at Doosan. The first was granted in 2017 and the most recent in October 2025. Youngmi Beak ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Youngmi Beak in Seoul, KR.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
12441935	Organic electroluminescent device	Tae-ui Kim, Ho Gun Park, Yong Deuk KIM, Chun-young LEE, Eung Lee	2025-10-14
11997924	Organic compound and organic electroluminescent element comprising same	Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim	2024-05-28
11832514	Organic compound and organic electroluminescent element comprising same	Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim	2023-11-28
11588109	Organic electroluminescent device	Tae Hyung Kim, Hocheol PARK, Young Bae Kim, Chang Jun Lee, Eunjung Lee	2023-02-21
10916709	Organic compound and organic electroluminescent element comprising same	Min-Sik Eum, Hojun Son, Woo Jae Park, Tae Hyung Kim, Jiyi Kim	2021-02-09
10756277	Organic compound and organic electroluminescent device comprising the same	Tae Jin CHOI, Ho Cheol Park, Eunjin Kim	2020-08-25
10573822	Organic electroluminescent device	Tae Hyung Kim, Hocheol PARK, Young Bae Kim, Chang Jun Lee, Eunjung Lee	2020-02-25
10008675	Organic compound and organic electroluminescent element comprising same	Young Bae Kim, Hyunjong Jo, Chang Jun Lee, Jinyong Shin, Hoe Moon Kim +1 more	2018-06-26
9960363	Organic electroluminescent element	Min-Sik Eum, Ho Cheol Park, Chang Jun Lee, Tae Hyung Kim, Jiyi Kim	2018-05-01
9543538	Organic light-emitting device	Seul-Ong Kim, Mi-Kyung Kim, Dong-Woo Shin, Chang-Woong Chu, Tae Hyung Kim +4 more	2017-01-10

Youngmi Beak — 10 Patents

Issued Patents All Time

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