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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting sign device and low-power predictive diagnosis bidir...
- Patent number 11,251,651
- Issue date Feb 15, 2022
- ALTECH CO., LTD.
- Ki Hoon Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light emitting sign apparatus using optical fiber including solar-r...
- Patent number 10,832,598
- Issue date Nov 10, 2020
- ALTECH CO., LTD.
- Ki Hoon Lee
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Light emitting sign apparatus using optical fiber
- Patent number 10,526,757
- Issue date Jan 7, 2020
- ALTECH CO., LTD.
- Ki Hoon Lee
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING SIGN DEVICE AND LOW-POWER PREDICTIVE DIAGNOSIS BIDIR...
- Publication number 20210218272
- Publication date Jul 15, 2021
- ALTECH CO.,LTD.
- Ki Hoon LEE
- G01 - MEASURING TESTING
Information Patent Application
LIGHT EMITTING SIGN APPARATUS USING OPTICAL FIBER
- Publication number 20190347966
- Publication date Nov 14, 2019
- ALTECH CO.,LTD.
- Ki Hoon LEE
- G02 - OPTICS
Information Patent Application
LIGHT EMITTING SIGN APPARATUS USING OPTICAL FIBER
- Publication number 20190048541
- Publication date Feb 14, 2019
- ALTECH CO.,LTD.
- Ki Hoon LEE
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Trademarklast 30 trademarks