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For the Inventor, By the Inventor

Incheon, South Korea

Emw Co., Ltd.


USPTO Granted Patents = 29

% Expired Patents = 72.4

Trademarks = 1

Forward Citations = 41

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39 inventors (with patents filed for the assignee):

goldMedal Won Mo Sung (16 out of 16 patents)

silverMedal Byung Hoon Ryou (12 out of 17 patents)

bronzeMedal Won Mo Seong (8 out of 9 patents)

4.  Gi Ho Kim (5 out of 5 patents)

5.  Byung Hoon Ryu (4 out of 9 patents)

6.  Byung-Hoon Ryou (3 out of 6 patents)

7.  Won-Mo Sung (3 out of 4 patents)

8.  Dong Ryul Shin (2 out of 16 patents)

9.  Yeon Sik Yu (2 out of 3 patents)

10.  Ui Sheon Kim (2 out of 3 patents)

11.  Jeong Pyo Kim (2 out of 9 patents)

12.  Kyoung Ho Lee (2 out of 5 patents)

13.  Seung Up Seo (2 out of 2 patents)

14.  Bong Suk Choi (2 out of 4 patents)

15.  Chang Hyun Park (2 out of 2 patents)


Core Competencies:
Ferrite Sheet
Antenna Module
Wireless Charger
Metamaterial Antenna
RF Switch
Communication Device
Broadband Circuit
Magnetic Field Shielding
Transmission Line
Complex Structures
Multiple Band Antenna
Ultra-Wideband Antenna

29 patents:

1. 10886045 - Ferrite sheet, method for manufacturing same, and electronic component comprising same (2021-01-05),
2. 10726691 - Communication module and wireless security camera system using same (2020-07-28),
3. 10622704 - Embedded antenna (2020-04-14),
4. 10424828 - Composite ferrite magnetic field shielding sheet, method for manufacturing same, and antenna module using same (2019-09-24),
5. 10326212 - Phase lag cell and antenna including same (2019-06-18),
6. 10318853 - Antenna module and portable terminal having same (2019-06-11),
7. D830971 - Wireless charger (2018-10-16),
8. 10049799 - Magnetic sheet, method for manufacturing magnetic sheet and antenna comprising the magnetic sheet (2018-08-14),
9. 9997840 - Transmission type antenna (2018-06-12),
10. 9997833 - Antenna (2018-06-12),
11. 9837720 - Metamaterial antenna (2017-12-05),
12. 9660343 - Antenna and communication device comprising same (2017-05-23),
13. 9391372 - Antenna (2016-07-12),
14. 9203370 - Broadband circuit and communication apparatus including same (2015-12-01),
15. 8902118 - CRLH-TL meta material antenna (2014-12-02),
Company Overview
Emw Co., Ltd. is a South Korean company based in Incheon, specializing in advanced technology solutions and manufacturing processes. The organization focuses on developing innovative products in the fields of electronics and telecommunications, contributing to various sectors including consumer electronics and industrial applications. Emw is committed to research and development, aiming to enhance product performance and efficiency through cutting-edge technology and engineering practices.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Emw Co., Ltd. USPTO Patent Assignee Logo
29 Patents

#18 in Incheon, 402-040

#470 in South Korea

#22,552 in the World

Incheon, KR
Incheon, South Korea

Emw Co., Ltd.

Forward Citations = 41

39 inventors:

goldMedal Won Mo Sung (16 out of 16 patents)

silverMedal Byung Hoon Ryou (12 out of 17 patents)

bronzeMedal Won Mo Seong (8 out of 9 patents)

4.  Gi Ho Kim (5 out of 5 patents)

5.  Byung Hoon Ryu (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Emw Co., Ltd.. Retrieved from https://idiyas.com/company/emw-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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