Eui Chul CHOI

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for ejecting viscous liquid aerosol
- Patent number 12,138,650
- Issue date Nov 12, 2024
- PROTEC CO., LTD.
- Seung Min Hong
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Low hysteresis piezo-electric pump
- Patent number 12,104,588
- Issue date Oct 1, 2024
- PROTEC CO., LTD.
- Seung Min Hong
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Die pickup module and die bonding apparatus including the same
- Patent number 11,600,515
- Issue date Mar 7, 2023
- Semes Co., Ltd.
- Chang Bu Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser apparatus for printed electronics system and operating method...
- Patent number 11,476,632
- Issue date Oct 18, 2022
- PROTEC CO., LTD.
- Eui Keun Choi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Auxiliary battery and auxiliary battery rental device
- Patent number 11,423,472
- Issue date Aug 23, 2022
- LIBERGON, INC.
- Joon Hwan Kim
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Printing apparatus for printed electronics
- Patent number 11,420,219
- Issue date Aug 23, 2022
- PROTEC CO., LTD.
- Eui Keun Choi
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Anti-reflective film, electronic device including the same, and app...
- Patent number 10,488,559
- Issue date Nov 26, 2019
- Samsung Electronics Co., Ltd.
- Nam-il Koo
- G02 - OPTICS
Information Patent Grant
Manufacturing device of anti-reflecting structure and manufacturing...
- Patent number 10,451,772
- Issue date Oct 22, 2019
- Samsung Electronics, Co., Ltd.
- Eui-Sun Choi
- G02 - OPTICS
Information Patent Grant
Testing apparatus for auxiliary belt system and testing system prov...
- Patent number 9,658,131
- Issue date May 23, 2017
- Hyundai Motor Company
- Jong Won Lee
- G01 - MEASURING TESTING
Information Patent Grant
Patterning mold and manufacturing method thereof
- Patent number 8,894,406
- Issue date Nov 25, 2014
- Samsung Electronics Co., Ltd.
- Eui Sun Choi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HYBRID SPRAY PUMP
- Publication number 20230201858
- Publication date Jun 29, 2023
- PROTEC CO., LTD.
- Seung Min HONG
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
SPRAY PUMP
- Publication number 20230201848
- Publication date Jun 29, 2023
- PROTEC CO., LTD.
- Seung Min HONG
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
LOW HYSTERESIS PIEZO-ELECTRIC PUMP
- Publication number 20230204028
- Publication date Jun 29, 2023
- PROTEC CO., LTD.
- Seung Min HONG
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD FOR...
- Publication number 20220330436
- Publication date Oct 13, 2022
- PROTEC CO., LTD.
- Seung Min HONG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Apparatus for Ejecting Viscous Liquid Aerosol
- Publication number 20220193706
- Publication date Jun 23, 2022
- PROTEC CO., LTD.
- Seung Min HONG
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
LASER APPARATUS FOR PRINTED ELECTRONICS SYSTEM AND OPERATING METHOD...
- Publication number 20200303892
- Publication date Sep 24, 2020
- PROTEC CO., LTD.
- Eui Keun CHOI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
AUXILIARY BATTERY AND AUXILIARY BATTERY RENTAL DEVICE
- Publication number 20200219178
- Publication date Jul 9, 2020
- LIBERGON, INC.
- Joon Hwan KIM
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PRINTING APPARATUS FOR PRINTED ELECTRONICS
- Publication number 20190329274
- Publication date Oct 31, 2019
- PROTEC CO., LTD.
- Eui Keun CHOI
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
ANTI-REFLECTIVE FILM, ELECTRONIC DEVICE INCLUDING THE SAME, AND APP...
- Publication number 20160370505
- Publication date Dec 22, 2016
- Nam-il KOO
- G02 - OPTICS
Information Patent Application
TESTING APPARATUS FOR AUXILIARY BELT SYSTEM AND TESTING SYSTEM PROV...
- Publication number 20160266007
- Publication date Sep 15, 2016
- Kia Motors Corporation
- Jong Won LEE
- G01 - MEASURING TESTING
Information Patent Application
MANUFACTURING DEVICE OF ANTI-REFLECTING STRUCTURE AND MANUFACTURING...
- Publication number 20160229165
- Publication date Aug 11, 2016
- Eui-Sun CHOI
- B32 - LAYERED PRODUCTS
Information Patent Application
LARGE-SCALE IMPRINT APPARATUS AND METHOD
- Publication number 20140252679
- Publication date Sep 11, 2014
- Eun Soo HWANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Local Printing Apparatus And Method
- Publication number 20120160112
- Publication date Jun 28, 2012
- Samsung Electronics Co., Ltd.
- Eun Soo Hwang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PATTERNING MOLD AND MANUFACTURING METHOD THEREOF
- Publication number 20120082745
- Publication date Apr 5, 2012
- Samsung Electronics Co., Ltd.
- Eui Sun Choi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
PATTERNING MOLD AND MANUFACTURING METHOD THEREOF
- Publication number 20120080819
- Publication date Apr 5, 2012
- Samsung Electronics Co., Ltd.
- Eui Son Choi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Eui Chul CHOI

Person

Patents Grantslast 30 patents

Apparatus for ejecting viscous liquid aerosol

Low hysteresis piezo-electric pump

Die pickup module and die bonding apparatus including the same

Laser apparatus for printed electronics system and operating method...

Auxiliary battery and auxiliary battery rental device

Printing apparatus for printed electronics

Anti-reflective film, electronic device including the same, and app...

Manufacturing device of anti-reflecting structure and manufacturing...

Testing apparatus for auxiliary belt system and testing system prov...

Patterning mold and manufacturing method thereof

Patents Applicationslast 30 patents

HYBRID SPRAY PUMP

SPRAY PUMP

LOW HYSTERESIS PIEZO-ELECTRIC PUMP

SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD FOR...

Apparatus for Ejecting Viscous Liquid Aerosol

LASER APPARATUS FOR PRINTED ELECTRONICS SYSTEM AND OPERATING METHOD...

AUXILIARY BATTERY AND AUXILIARY BATTERY RENTAL DEVICE

PRINTING APPARATUS FOR PRINTED ELECTRONICS

ANTI-REFLECTIVE FILM, ELECTRONIC DEVICE INCLUDING THE SAME, AND APP...

TESTING APPARATUS FOR AUXILIARY BELT SYSTEM AND TESTING SYSTEM PROV...

MANUFACTURING DEVICE OF ANTI-REFLECTING STRUCTURE AND MANUFACTURING...

LARGE-SCALE IMPRINT APPARATUS AND METHOD

Local Printing Apparatus And Method

PATTERNING MOLD AND MANUFACTURING METHOD THEREOF

PATTERNING MOLD AND MANUFACTURING METHOD THEREOF