Keun-Shik Chang

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Daejeon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Facial tissue box with adjustable height
- Patent number 11,939,138
- Issue date Mar 26, 2024
- Kevin Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Facial Tissue Box with Adjustable Height
- Publication number 20240101335
- Publication date Mar 28, 2024
- Kevin Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Method and Apparatus for Manufacturing Carbon Nano Tube
- Publication number 20080226535
- Publication date Sep 18, 2008
- Korea Advanced Institute of Science and Technology
- Chul Park
- B82 - NANO-TECHNOLOGY