Jun Hee Han

Person

Gyeongsangnam-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Earphone with duct unit dividing pressure equilibrium hole and back...
- Patent number 12,137,311
- Issue date Nov 5, 2024
- EM-TECH CO., LTD.
- Jun Hee Han
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two-way receiver having front bass duct
- Patent number 11,696,059
- Issue date Jul 4, 2023
- EM-TECH CO., LTD.
- Jun Hee Han
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone having pressure equilibrium structure
- Patent number 11,564,026
- Issue date Jan 24, 2023
- EM-TECH CO., LTD.
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid receiver having fixing bracket for drivers
- Patent number 11,528,563
- Issue date Dec 13, 2022
- EM-TECH CO., LTD.
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Yoke assembly for two-way receiver and two-way receiver having the...
- Patent number 11,463,815
- Issue date Oct 4, 2022
- EM-TECH CO., LTD.
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver module integrated with duct
- Patent number 11,363,370
- Issue date Jun 14, 2022
- EM-TECH CO., LTD.
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic winding device
- Patent number 10,899,577
- Issue date Jan 26, 2021
- Em-Tech. Co., Ltd.
- Yong Ju Ji
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Earphone with Duct Unit Dividing Pressure Equilibirum Hole and Back...
- Publication number 20220329926
- Publication date Oct 13, 2022
- Jun Hee Han
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TWO-WAY RECEIVER HAVING FRONT BASS DUCT
- Publication number 20220210532
- Publication date Jun 30, 2022
- EM-TECH. Co., Ltd.
- Jun Hee Han
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HYBRID RECEIVER HAVING FIXING BRACKET FOR DRIVERS
- Publication number 20220095056
- Publication date Mar 24, 2022
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Earphone Having Pressure Equilibrium Structure
- Publication number 20220007101
- Publication date Jan 6, 2022
- EM-TECH. Co., Ltd.
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Yoke Assembly for Two-Way Receiver and Two-Way Receiver Having the...
- Publication number 20210297786
- Publication date Sep 23, 2021
- EM-TECH. Co., Ltd.
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiver Module Integrated with Duct
- Publication number 20210136484
- Publication date May 6, 2021
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic Winding Device
- Publication number 20200223657
- Publication date Jul 16, 2020
- EM-TECH. Co., Ltd.
- Yong Ju Ji
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Automatic Winding Device
- Publication number 20190152739
- Publication date May 23, 2019
- Yong Ju Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Jun Hee Han

Person

Patents Grantslast 30 patents

Earphone with duct unit dividing pressure equilibrium hole and back...

Two-way receiver having front bass duct

Earphone having pressure equilibrium structure

Hybrid receiver having fixing bracket for drivers

Yoke assembly for two-way receiver and two-way receiver having the...

Receiver module integrated with duct

Automatic winding device

Patents Applicationslast 30 patents

Earphone with Duct Unit Dividing Pressure Equilibirum Hole and Back...

TWO-WAY RECEIVER HAVING FRONT BASS DUCT

HYBRID RECEIVER HAVING FIXING BRACKET FOR DRIVERS

Earphone Having Pressure Equilibrium Structure

Yoke Assembly for Two-Way Receiver and Two-Way Receiver Having the...

Receiver Module Integrated with Duct

Automatic Winding Device

Automatic Winding Device