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Hwaseong, South Korea

Techwing Co., Ltd.

USPTO Granted Patents = 41

Trademarks = 1

Forward Citations = 109

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39 inventors (with patents filed for the assignee):

Yun-Sung Na (23 out of 23 patents)

In-Gu Jeon (18 out of 18 patents)

Tae-Hung Ku (15 out of 15 patents)

4. Yun Sung Na (14 out of 14 patents)

5. Jae-Gyun Shim (14 out of 15 patents)

6. In Gu Jeon (12 out of 12 patents)

7. Tae Hung Ku (8 out of 8 patents)

8. Dong Hyun Yo (8 out of 8 patents)

9. Jae Gyun Shim (8 out of 8 patents)

10. Dong-Han Kim (7 out of 7 patents)

11. Dong Han Kim (4 out of 25 patents)

12. Hyun Cheol Song (3 out of 7 patents)

13. Dong-Hyun Yo (3 out of 3 patents)

14. Young-Chul Lee (2 out of 10 patents)

15. Young-Ho Kweon (2 out of 2 patents)

Core Competencies:

Semiconductor Device

Test Handler

Pick-and-Place

Carrier Board

Electronic Devices

Temperature Control

Test Tray

Inspection Equipment

Clamping Apparatus

Detection Sensors

Transfer System

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41 patents: Sort by Forward Citations

1. 9964588 - Handler for testing semiconductor device and method for checking whether semiconductor device remains using the same (2018-05-08),

2. 9958498 - Test handler and circulation method of test trays in test handler (2018-05-01),

3. 9343342 - Handler for testing semiconductor device with detecting sensors (2016-05-17),

4. 8926259 - Pick and place apparatus for electronic device inspection equipment (2015-01-06),

5. 8919755 - Hi-fix board clamping apparatus for use in test handler (2014-12-30),

6. 8653845 - Test handler and method for operating the same for testing semiconductor devices (2014-02-18),

7. 8570058 - Carrier board transfer system for handler that supports testing of electronic devices and method for transferring carrier board in chamber of handler (2013-10-29),

8. 8558569 - Opener for test handler (2013-10-15),

9. 8523163 - Insert for carrier board of test handler (2013-09-03),

10. 8523158 - Opener and buffer table for test handler (2013-09-03),

11. 8496426 - Pick and place apparatus for electronic device inspection equipment, picking apparatus thereof, and method for loading electronic devices onto loading element (2013-07-30),

12. 8496113 - Insert for carrier board of test handler (2013-07-30),

13. 8376431 - Pick-and-place module for test handler (2013-02-19),

14. 8333083 - System to support testing of electronic devices, temperature control unit for the system, and method for controlling internal temperature of chamber of the system (2012-12-18),

15. 8277162 - Unit for opening insert for test tray and method of mounting semiconductor device using the same (2012-10-02),

Techwing Co., Ltd., based in Hwaseong, South Korea, specializes in advanced semiconductor testing solutions. The company develops a range of innovative technologies including test handlers, pick and place apparatus, and carrier board transfer systems. Their expertise extends to electronic device inspection and temperature control units, ensuring high precision and reliability in semiconductor manufacturing processes. Techwing's commitment to enhancing testing efficiency positions it as a key player in the semiconductor industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Techwing Co., Ltd.

41 Patents

#5 in Hwaseong

#359 in South Korea

#16,686 in the World

Hwaseong, South Korea

Techwing Co., Ltd.

Forward Citations = 109

39 inventors:

Yun-Sung Na (23 out of 23 patents)

In-Gu Jeon (18 out of 18 patents)

Tae-Hung Ku (15 out of 15 patents)

4. Yun Sung Na (14 out of 14 patents)

5. Jae-Gyun Shim (14 out of 15 patents)

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