Shumei Ji

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Qingdao, CN

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Patents Applicationslast 30 patents

Information Patent Application
BIPYRROLINONE COMPOUND
- Publication number 20240391905
- Publication date Nov 28, 2024
- DIC CORPORATION
- Yasuhiro Kuwana
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PIGMENT COMPOSITION, PRINTING INK, AND METHOD FOR MANUFACTURING PIG...
- Publication number 20230312948
- Publication date Oct 5, 2023
- DIC CORPORATION
- Shumei Ji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DISAZO PIGMENT, PIGMENT COMPOSITION, AND PRINTING INK
- Publication number 20230257588
- Publication date Aug 17, 2023
- DIC CORPORATION
- Shumei Ji
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...