Heejung KO

Samsung: 2 patents #3,372 of 15,164Top 25%

📍 Yongin-si, KR: #716 of 2,578 inventorsTop 30%

Overall (2025): #122,800 of 469,880Top 30%

Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12261308	Button cell	Byongchul WOO, Kijung KIM	2025-03-25
12224459	Button cell	Kijung KIM, Yongjin Park, Byongchul WOO, Jong Ha Lee	2025-02-11