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Hwan Soo Chang
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Kyungki-Do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Moving apparatus for cleaning, collaborative cleaning system, and m...
Patent number
11,707,175
Issue date
Jul 25, 2023
Samsung Electronics Co., Ltd.
Injoo Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pharmaceutical composition for preventing or treating respiratory d...
Patent number
10,869,904
Issue date
Dec 22, 2020
Dong Wha Pharm. Co., Ltd.
Joo Byoung Yoon
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Composition containing extract or fraction of genus Justicia plant
Patent number
10,688,143
Issue date
Jun 23, 2020
Dong Wha Pharm. Co., Ltd.
Joo Byoung Yoon
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Mobile robot system and remote control method for the same
Patent number
10,048,682
Issue date
Aug 14, 2018
Samsung Electronics Co., Ltd.
Hwan Chang
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Pharmaceutical composition for treating nephropathy and healthy foo...
Patent number
8,637,097
Issue date
Jan 28, 2014
Dong Wha Pharm. Co., Ltd.
Jei-Man Ryu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for monitoring defects of semiconductor device
Patent number
6,038,019
Issue date
Mar 14, 2000
Samsung Electronics Co., Ltd.
Hwan-suk Chang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Stepper light control using movable blades
Patent number
5,675,402
Issue date
Oct 7, 1997
Hyundai Electronics Industries Co., Ltd.
Chan Seob Cho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ROBOTIC CLEANER AND CONTROLLING METHOD THEREFOR
Publication number
20210369068
Publication date
Dec 2, 2021
Samsung Electronics Co., LTD
Hwan CHANG
G05 - CONTROLLING REGULATING
Information
Patent Application
USER APPARATUS, CLEANING ROBOT INCLUDING THE SAME, AND METHOD OF CO...
Publication number
20210369070
Publication date
Dec 2, 2021
Samsung Electronics Co., Ltd.
Sang Hoon HAN
G05 - CONTROLLING REGULATING
Information
Patent Application
MOVING APPARATUS FOR CLEANING, COLLABORATIVE CLEANING SYSTEM, AND M...
Publication number
20210068605
Publication date
Mar 11, 2021
Samsung Electronics Co., LTD
Injoo KIM
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING RESPIRATORY D...
Publication number
20190134126
Publication date
May 9, 2019
Dong Wha Pharm. Co., Ltd.
Joo Byoung Yoon
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMPOSITION CONTAINING EXTRACT OR FRACTION OF GENUS JUSTICIA PLANT
Publication number
20170360862
Publication date
Dec 21, 2017
Dong Wha Pharm. Co., Ltd.
Joo Byoung Yoon
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
MOBILE ROBOT SYSTEM AND REMOTE CONTROL METHOD FOR THE SAME
Publication number
20160306352
Publication date
Oct 20, 2016
Samsung Electronics Co., Ltd.
Hwan Chang
G05 - CONTROLLING REGULATING
Information
Patent Application
USE OF COMPOUNDS ISOLATED FROM MORUS BARK
Publication number
20140018552
Publication date
Jan 16, 2014
Dong Wha Pharm. Co., Ltd.
Hwan Bong Chang
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
PHARMACEUTICAL COMPOSITION FOR TREATING NEPHROPATHY AND HEALTHY FOO...
Publication number
20120093942
Publication date
Apr 19, 2012
Dong Wha Pharm. Co., Ltd.
Jei-Man RYU
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Pharmaceutical Composition For Treating Nephropathy and Healthy Foo...
Publication number
20100215764
Publication date
Aug 26, 2010
Jei-Man Ryu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE