DC

Don Ha Choi

📍 Seoul, KR: #14,539 of 39,741 inventorsTop 40%
Overall (All Time): #1,408,807 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11365153 Method for preparing porous titania thin film by using cellulose nanocrystal Sun-Young Lee, Won Hee Lee, Yong Hee Yoon, Sang Jin Chun, Sang Bum Park 2022-06-21
11251459 Electrochemical element comprising cellulose nanofiber separator and method for producing same Sun-Young Lee, Sang-Young Lee, Keun Ho Choi, Sang Jin Chun, Sang Bum Park +5 more 2022-02-15
10069127 Porous separation film for secondary battery including cellulose fiber and silica, and method for manufacturing same Sun-Young Lee, Sang-Young Lee, Sang Jin Chun, Sang Bum Park 2018-09-04