Hyounghwan Roh

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic device including NFC antenna
- Patent number 10,553,933
- Issue date Feb 4, 2020
- Samsung Electronics Co., Ltd.
- Youngki Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic device including NFC antenna
- Patent number 10,389,009
- Issue date Aug 20, 2019
- Samsung Electronics Co., Ltd.
- Youngki Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Near field communication antenna
- Patent number 10,236,581
- Issue date Mar 19, 2019
- Samsung Electronics Co., Ltd.
- Byeongtaek Moon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna for near field communication, accessory and electronic devi...
- Patent number 10,148,321
- Issue date Dec 4, 2018
- Samsung Electronics Co., Ltd.
- Yohan Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna apparatus and electronic device with the same
- Patent number 10,135,116
- Issue date Nov 20, 2018
- Samsung Electronics Co., Ltd.
- Woosup Lee
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Smart NFC antenna matching network system having multiple antennas...
- Patent number 9,800,295
- Issue date Oct 24, 2017
- Samsung Electronics Co., Ltd.
- Yohan Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Smart NFC antenna matching network system and user device including...
- Patent number 9,184,799
- Issue date Nov 10, 2015
- Samsung Electronics Co., Ltd.
- Yohan Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MATCHING CIRCUIT OF NEAR FIELD COMMUNICATION (NFC) DEVICE, RESONANC...
- Publication number 20240171147
- Publication date May 23, 2024
- SAMSUNG ELECTRONICS CO,. LTD.
- Hyounghwan ROH
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRONIC DEVICE INCLUDING NFC ANTENNA
- Publication number 20190372202
- Publication date Dec 5, 2019
- Samsung Electronics Co., Ltd.
- Youngki LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC DEVICE INCLUDING NFC ANTENNA
- Publication number 20170346163
- Publication date Nov 30, 2017
- Samsung Electronics Co., Ltd.
- Youngki LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA FOR NEAR FIELD COMMUNICATION, ACCESSORY AND ELECTRONIC DEVI...
- Publication number 20170272127
- Publication date Sep 21, 2017
- Samsung Electronics Co., Ltd.
- Yohan JANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SMART NFC ANTENNA MATCHING NETWORK SYSTEM HAVING MULTIPLE ANTENNAS...
- Publication number 20160359527
- Publication date Dec 8, 2016
- Samsung Electronics Co., Ltd.
- Yohan JANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANTENNA APPARATUS AND ELECTRONIC DEVICE WITH THE SAME
- Publication number 20160285151
- Publication date Sep 29, 2016
- Samsung Electronics Co., Ltd.
- Woosup LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEAR FIELD COMMUNICATION ANTENNA
- Publication number 20160028159
- Publication date Jan 28, 2016
- Byeongtaek MOON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SMART NFC ANTENNA MATCHING NETWORK SYSTEM AND USER DEVICE INCLUDING...
- Publication number 20140154980
- Publication date Jun 5, 2014
- Yohan JANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hyounghwan Roh

Person

Patents Grantslast 30 patents

Electronic device including NFC antenna

Electronic device including NFC antenna

Near field communication antenna

Antenna for near field communication, accessory and electronic devi...

Antenna apparatus and electronic device with the same

Smart NFC antenna matching network system having multiple antennas...

Smart NFC antenna matching network system and user device including...

Patents Applicationslast 30 patents

MATCHING CIRCUIT OF NEAR FIELD COMMUNICATION (NFC) DEVICE, RESONANC...

ELECTRONIC DEVICE INCLUDING NFC ANTENNA

ELECTRONIC DEVICE INCLUDING NFC ANTENNA

ANTENNA FOR NEAR FIELD COMMUNICATION, ACCESSORY AND ELECTRONIC DEVI...

SMART NFC ANTENNA MATCHING NETWORK SYSTEM HAVING MULTIPLE ANTENNAS...

ANTENNA APPARATUS AND ELECTRONIC DEVICE WITH THE SAME

NEAR FIELD COMMUNICATION ANTENNA

SMART NFC ANTENNA MATCHING NETWORK SYSTEM AND USER DEVICE INCLUDING...