JC

Jin Hwa Chang

CC Cj Cheiljedang: 2 patents #352 of 827Top 45%
📍 Gunpo-si, KR: #300 of 683 inventorsTop 45%
Overall (All Time): #1,903,148 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10604615 Rigid polyurethane foam and preparation method thereof Sun Joo MOON, Da Eun Kim, Jeung Yil PARK, Sang-Mok Lee, Min Ho Jung +2 more 2020-03-31
10100073 Method for preparing low-molecular lignin derivative Min Ho Jung, Sun Joo MOON, Jeung Yil PARK, Sang-Mok Lee, Da Eun Kim +2 more 2018-10-16