Jason CHO

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Seoul, KR

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Patents Applicationslast 30 patents

Information Patent Application
PH-SENSITIVE INDICATOR LABEL USING PH-SENSITIVE COLOR-CHANGING INK...
- Publication number 20220243085
- Publication date Aug 4, 2022
- CJ CHEILJEDANG CORPORATION
- Do Wan KIM
- B32 - LAYERED PRODUCTS
Information Patent Application
PH-SENSITIVE VARIABLE-COLOR INK COMPOSITION, AND PH-SENSITIVE INDIC...
- Publication number 20220081582
- Publication date Mar 17, 2022
- CJ CHEILJEDANG CORPORATION
- Do Wan KIM
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS