Heon soo Choi

Person

Gwangmyeong-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for recovery of valuable metals from spent secondary batteries
- Patent number 12,046,727
- Issue date Jul 23, 2024
- KOREA ZINC CO., LTD.
- Heon Sik Choi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing aqueous solution containing nickel or cobalt
- Patent number 11,926,882
- Issue date Mar 12, 2024
- KOREA ZINC CO., LTD.
- Heon Sik Choi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Vector modulator
- Patent number 8,588,337
- Issue date Nov 19, 2013
- LS Industrial Systems Co., Ltd.
- Heon soo Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting offset signal of transmission le...
- Patent number 8,537,881
- Issue date Sep 17, 2013
- Nethom Co., Ltd.
- Heon soo Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for detecting offset signal corresponding to transmission le...
- Patent number 8,462,836
- Issue date Jun 11, 2013
- Nethom Co., Ltd.
- Heon soo Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vector modulator using time delay and phase shifter
- Patent number 8,400,229
- Issue date Mar 19, 2013
- LS Industrial Systems Co., Ltd.
- Heon soo Choi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING HIGH-GRADE REFINED IRON OXIDE FROM IRON OX...
- Publication number 20240344173
- Publication date Oct 17, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FU...
- Publication number 20240327936
- Publication date Oct 3, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING NICKEL SULFATE SOLUTION FOR SECONDARY BATTERY...
- Publication number 20240286921
- Publication date Aug 29, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
METHOD FOR PRODUCING AQUEOUS SOLUTION CONTAINING NICKEL, COBALT AND...
- Publication number 20240240279
- Publication date Jul 18, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING NICKEL SULFATE SOLUTION FOR SECONDARY BATTERY...
- Publication number 20240228321
- Publication date Jul 11, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PROCESSING BY-PRODUCT OF ZINC HYDROMETALLURGICAL PROCESS...
- Publication number 20240218479
- Publication date Jul 4, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERY OF VALUABLE METALS FROM SPENT SECONDARY BATTERIES
- Publication number 20240218482
- Publication date Jul 4, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERY OF VALUABLE METALS FROM SPENT SECONDARY BATTERIES
- Publication number 20240063454
- Publication date Feb 22, 2024
- KOREA ZINC CO., LTD.
- Heon Sik CHOI
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
VECTOR MODULATOR
- Publication number 20120294388
- Publication date Nov 22, 2012
- LS INDUSTRIAL SYSTEMS CO., LTD.
- Heon soo Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VECTOR MODULATOR USING TIME DELAY AND PHASE SHIFTER
- Publication number 20120229227
- Publication date Sep 13, 2012
- LS INDUSTRIAL SYSTEMS CO., LTD.
- Heon Soo Choi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
METHOD AND APPARATUS FOR DETECTING OFFSET SIGNAL OF TRANSMISSION LE...
- Publication number 20110216815
- Publication date Sep 8, 2011
- LS INDUSTRIAL SYSTEMS CO., LTD.
- Heon Soo CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR DETECTING OFFSET SIGNAL CORRESPONDING TO TRANSMISSION LE...
- Publication number 20110200083
- Publication date Aug 18, 2011
- LS INDUSTRIAL SYSTEMS CO., LTD.
- Heon Soo CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Heon soo Choi

Person

Patents Grantslast 30 patents

Method for recovery of valuable metals from spent secondary batteries

Method for producing aqueous solution containing nickel or cobalt

Vector modulator

Method and apparatus for detecting offset signal of transmission le...

Method for detecting offset signal corresponding to transmission le...

Vector modulator using time delay and phase shifter

Patents Applicationslast 30 patents

METHOD FOR MANUFACTURING HIGH-GRADE REFINED IRON OXIDE FROM IRON OX...

METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FU...

METHOD FOR PRODUCING NICKEL SULFATE SOLUTION FOR SECONDARY BATTERY...

METHOD FOR PRODUCING AQUEOUS SOLUTION CONTAINING NICKEL, COBALT AND...

METHOD FOR PRODUCING NICKEL SULFATE SOLUTION FOR SECONDARY BATTERY...

METHOD FOR PROCESSING BY-PRODUCT OF ZINC HYDROMETALLURGICAL PROCESS...

METHOD FOR RECOVERY OF VALUABLE METALS FROM SPENT SECONDARY BATTERIES

METHOD FOR RECOVERY OF VALUABLE METALS FROM SPENT SECONDARY BATTERIES

VECTOR MODULATOR

VECTOR MODULATOR USING TIME DELAY AND PHASE SHIFTER

METHOD AND APPARATUS FOR DETECTING OFFSET SIGNAL OF TRANSMISSION LE...

METHOD FOR DETECTING OFFSET SIGNAL CORRESPONDING TO TRANSMISSION LE...