Minsung SON

Follow

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Braille learning apparatus and braille learning method using the same
- Patent number 10,453,359
- Issue date Oct 22, 2019
- OHFA TECH, Inc.
- Hangsok Kim
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
BRAILLE LEARNING APPARATUS AND BRAILLE LEARNING METHOD USING THE SAME
- Publication number 20170309203
- Publication date Oct 26, 2017
- OHFA Tech, Inc.
- Hangsok KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACTUATOR
- Publication number 20170214290
- Publication date Jul 27, 2017
- OHFA Tech, Inc.
- Kyounghwang LEE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER