Kwang-Ok Chang

Follow

Person

Bundang-Gu, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Garbage can provided with airtight means for preventing odor leakage
- Patent number 11,891,244
- Issue date Feb 6, 2024
- Janibell, Inc.
- Kwang Ok Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Garbage can provided with airtight means for preventing odor leakage
- Patent number 11,866,252
- Issue date Jan 9, 2024
- Janibell, Inc.
- Kwang Ok Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Device for rotating cover of trash can
- Patent number 10,294,023
- Issue date May 21, 2019
- Janibell, Inc.
- Kwang-Ok Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Trashcan
- Patent number 10,022,467
- Issue date Jul 17, 2018
- Magikan Inc.
- Kwang Ok Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
GARBAGE CAN PROVIDED WITH AIRTIGHT MEANS FOR PREVENTING ODOR LEAKAGE
- Publication number 20220127075
- Publication date Apr 28, 2022
- Janibell, Inc.
- Kwang Ok CHANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
GARBAGE CAN PROVIDED WITH AIRTIGHT MEANS FOR PREVENTING ODOR LEAKAGE
- Publication number 20210362945
- Publication date Nov 25, 2021
- Janibell, Inc.
- Kwang Ok CHANG
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Device for Rotating Cover of Trash Can
- Publication number 20190233205
- Publication date Aug 1, 2019
- Janibell, Inc.
- Kwang-Ok Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
TRASHCAN
- Publication number 20180110893
- Publication date Apr 26, 2018
- Magikan Inc.
- Kwang Ok CHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Device for Rotating Cover of Trash Can
- Publication number 20180022545
- Publication date Jan 25, 2018
- Janibell, Inc.
- Kwang-Ok Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL