Hee Chan Cha

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Dongjak-gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Light irradiating toothbrush having multiple light sources arranged...
- Patent number 11,925,815
- Issue date Mar 12, 2024
- Hee Chan Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Light irradiating toothbrush having multiple light sources arranged...
- Patent number 11,241,588
- Issue date Feb 8, 2022
- Hee Chan Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-THERAPEUTIC MOUTH GUARD
- Publication number 20250099777
- Publication date Mar 27, 2025
- Hee Chan Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIGHT IRRADIATING TOOTHBRUSH HAVING MULTIPLE LIGHT SOURCES ARRANGED...
- Publication number 20220134130
- Publication date May 5, 2022
- Hee Chan Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Light Irradiating Toothbrush Having Multiple Light Sources Arranged...
- Publication number 20190255351
- Publication date Aug 22, 2019
- Hee Chan Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LIGHT IRRADIATING TOOTHBRUSH HAVING MULTIPLE LIGHT SOURCES ARRANGED...
- Publication number 20150283401
- Publication date Oct 8, 2015
- Hee Chan Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE