Kwang Ju CHEON

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Kyunggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Slide-type writing instrument having drying-prevention device
- Patent number 11,813,886
- Issue date Nov 14, 2023
- Kwang Ju Cheon
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Slide-type writing instrument having drying-prevention device
- Patent number 10,434,815
- Issue date Oct 8, 2019
- Kwang Ju Cheon
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Multicolor writing instrument with automatic return function
- Patent number 10,052,906
- Issue date Aug 21, 2018
- Kwang Ju Cheon
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Slide type writing tool having device for preventing dryness
- Patent number 9,340,060
- Issue date May 17, 2016
- Kwang Ju Cheon
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
SLIDE-TYPE WRITING INSTRUMENT HAVING DRYING-PREVENTION DEVICE
- Publication number 20230311558
- Publication date Oct 5, 2023
- Kwang Ju CHEON
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
SLIDE-TYPE WRITING INSTRUMENT HAVING DRYING-PREVENTION DEVICE
- Publication number 20190016173
- Publication date Jan 17, 2019
- Kwang Ju CHEON
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
MULTICOLOR WRITING INSTRUMENT WITH AUTOMATIC RETURN FUNCTION
- Publication number 20170246903
- Publication date Aug 31, 2017
- Kwang Ju CHEON
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
SLIDE TYPE WRITING TOOL HAVING DEVICE FOR PREVENTING DRYNESS
- Publication number 20150224812
- Publication date Aug 13, 2015
- Kwang Ju CHEON
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES