Joo Hwan JANG

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Damper switch
- Patent number 10,670,291
- Issue date Jun 2, 2020
- MIDOENC CO., LTD.
- Byung Kyu Yoo
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITION FOR MICRONEEDLE PREPARATION, COMPRISING CYCLODEXTRIN FO...
- Publication number 20250143986
- Publication date May 8, 2025
- Raphas Co., Ltd.
- Yee-Ram CHOI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DAMPER SWITCH
- Publication number 20180172307
- Publication date Jun 21, 2018
- MIDOENC Co., Ltd.
- Byung Kyu YOO
- F24 - HEATING RANGES VENTILATING