Changhwan Hwang

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic device for displaying message and operating method thereof
- Patent number 11,644,937
- Issue date May 9, 2023
- Samsung Electronics Co., Ltd.
- Changhwan Hwang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for communication connection service
- Patent number 10,574,762
- Issue date Feb 25, 2020
- Samsung Electronics Co., Ltd.
- Sahnghee Bahn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for registering a device to server
- Patent number 10,084,827
- Issue date Sep 25, 2018
- Samsung Electronics Co., Ltd.
- Changhwan Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for communication connection service
- Patent number 9,998,546
- Issue date Jun 12, 2018
- Samsung Electronics Co., Ltd.
- Sahnghee Bahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for displaying usage history of applications exec...
- Patent number 9,588,865
- Issue date Mar 7, 2017
- Samsung Electronics Co., Ltd.
- Changhwan Hwang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for communication connection service
- Patent number 9,241,246
- Issue date Jan 19, 2016
- Samsung Electronics Co., Ltd.
- Sahnghee Bahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE FOR DISPLAYING MESSAGE AND OPERATING METHOD THEREOF
- Publication number 20200319754
- Publication date Oct 8, 2020
- Samsung Electronics Co., Ltd.
- Changhwan HWANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR COMMUNICATION CONNECTION SERVICE
- Publication number 20180262576
- Publication date Sep 13, 2018
- Samsung Electronics Co., Ltd.
- Sahnghee BAHN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR COMMUNICATION CONNECTION SERVICE
- Publication number 20160105514
- Publication date Apr 14, 2016
- Samsung Electronics Co., Ltd.
- Sahnghee BAHN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR DISPLAYING USAGE HISTORY OF APPLICATIONS EXEC...
- Publication number 20130083059
- Publication date Apr 4, 2013
- Samsung Electronics Co., Ltd.
- Changhwan HWANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHODS AND APPARATUS FOR REGISTERING A DEVICE TO SERVER
- Publication number 20130086232
- Publication date Apr 4, 2013
- Samsung Electronics Co., Ltd.
- Changhwan Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR COMMUNICATION CONNECTION SERVICE
- Publication number 20130086644
- Publication date Apr 4, 2013
- SAMSUNG ELECTRONICS CO., LTD.
- Sahnghee BAHN
- G06 - COMPUTING CALCULATING COUNTING

Changhwan Hwang

Person

Patents Grantslast 30 patents

Electronic device for displaying message and operating method thereof

Method and apparatus for communication connection service

Methods and apparatus for registering a device to server

Method and apparatus for communication connection service

System and method for displaying usage history of applications exec...

Method and apparatus for communication connection service

Patents Applicationslast 30 patents

ELECTRONIC DEVICE FOR DISPLAYING MESSAGE AND OPERATING METHOD THEREOF

METHOD AND APPARATUS FOR COMMUNICATION CONNECTION SERVICE

METHOD AND APPARATUS FOR COMMUNICATION CONNECTION SERVICE

SYSTEM AND METHOD FOR DISPLAYING USAGE HISTORY OF APPLICATIONS EXEC...

METHODS AND APPARATUS FOR REGISTERING A DEVICE TO SERVER

METHOD AND APPARATUS FOR COMMUNICATION CONNECTION SERVICE