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Cheonan, South Korea

Mirae Corporation

USPTO Granted Patents = 114

% Expired Patents = 62.3

Trademarks = 1

Forward Citations = 589

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103 inventors (with patents filed for the assignee):

Ji Hyun Hwang (22 out of 22 patents)

Do Hyun Kim (18 out of 18 patents)

Hyun Joo Hwang (13 out of 13 patents)

4. Jang Sung Chun (10 out of 10 patents)

5. Chan Ho Park (9 out of 23 patents)

6. Chul Ho Ham (9 out of 10 patents)

7. Young Geun Park (9 out of 9 patents)

8. Ho Keun Song (9 out of 9 patents)

9. Sang Soo Lee (8 out of 8 patents)

10. Jae Bong Seo (7 out of 8 patents)

11. Woo Young Lim (6 out of 7 patents)

12. Jong Won Kim (6 out of 7 patents)

13. Jae Hyuk Cho (5 out of 5 patents)

14. Hee Soo Kim (5 out of 5 patents)

15. Dong Chun Lee (5 out of 5 patents)

Core Competencies:

Test Handler

Carrier Module

Semiconductor Device

Tray Transfer System

Fluorescent Lamp

Surface Mount Device

Burn-In Tester

Cooling Apparatus

Module IC

Device Picker

Index Head

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114 patents: Sort by Forward Citations

1. 12725219 - Test handler for graphics chip (2026-09-01),

2. 9285420 - Apparatus for spinning test tray of in-line test handler and in-line test handler (2016-03-15),

3. 8026516 - Carrier module for use in a handler and handler for handling packaged chips for a test using the carrier modules (2011-09-27),

4. 7880461 - System for transferring test trays and a handler having same (2011-02-01),

5. 7876089 - Test handler, method for loading and manufacturing packaged chips, and method for transferring test trays (2011-01-25),

6. 7772834 - Handler and process for testing a semiconductor chips using the handler (2010-08-10),

7. 7749036 - Method and apparatus for manufacturing a flat fluorescent lamp (2010-07-06),

8. 7659657 - Flat fluorescent lamp with improved capability of luminance and reduced initial operational voltage (2010-02-09),

9. 7594592 - Feeder for surface mounting device (2009-09-29),

10. 7583076 - Test tray and handler using the test tray (2009-09-01),

11. 7562923 - Tray transferring apparatus with gripper mechanism (2009-07-21),

12. 7557565 - Handler for sorting packaged chips (2009-07-07),

13. 7549221 - Mounting method of electronic components (2009-06-23),

14. 7541828 - Burn-in sorter and sorting method using the same (2009-06-02),

15. 7495463 - System and method for transferring trays within a test handler (2009-02-24),

Mirae Corporation is a global technology company specializing in innovative solutions for various industries. With a focus on research and development, we deliver cutting-edge products and services that enhance efficiency, productivity, and sustainability. Our diverse portfolio includes advanced robotics, renewable energy solutions, smart manufacturing systems, and more. Through collaboration with industry leaders and a commitment to technological advancement, Mirae Corporation aims to shape a better future for businesses and communities worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Mirae Corporation

114 Patents

#5 in Cheonan

#171 in South Korea

#6,920 in the World

Cheonan, South Korea

Mirae Corporation

Forward Citations = 589

103 inventors:

Ji Hyun Hwang (22 out of 22 patents)

Do Hyun Kim (18 out of 18 patents)

Hyun Joo Hwang (13 out of 13 patents)

4. Jang Sung Chun (10 out of 10 patents)

5. Chan Ho Park (9 out of 23 patents)

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