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For the Inventor, By the Inventor

Chungcheongnam-do, South Korea

Snu Precision Co., Ltd.


USPTO Granted Patents = 14

% Expired Patents = 71.4


Forward Citations = 101

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31 inventors (with patents filed for the assignee):

goldMedal Heui Jae Pahk (6 out of 8 patents)

silverMedal Woo Jung Ahn (3 out of 3 patents)

bronzeMedal Heui-Jae Pahk (3 out of 6 patents)

4.  Heung Hyun Shin (2 out of 2 patents)

5.  Young-Min Hwang (2 out of 2 patents)

6.  Woo-Jung Ahn (2 out of 2 patents)

7.  Seong Ryong Kim (2 out of 2 patents)

8.  Ji-Won Choi (1 out of 20 patents)

9.  Souk Kim (1 out of 15 patents)

10.  Tae Yong Jo (1 out of 1 patent)

11.  Sang Soo Kang (1 out of 1 patent)

12.  Chang-Yong Um (1 out of 1 patent)

13.  Hyung-Bae Park (1 out of 1 patent)

14.  Yong Chul Oh (1 out of 1 patent)

15.  Jin-Ki Kim (1 out of 20 patents)


14 patents:

1. 9696144 - Three-dimensional shape measuring device capable of measuring color information (2017-07-04),
2. 9148549 - Image processing method and image processing apparatus using time axis low band pass filter (2015-09-29),
3. 9046716 - Device for supporting substrate and examiner for seal pattern of LCD cell using the same (2015-06-02),
4. 8947673 - Estimating thickness based on number of peaks between two peaks in scanning white light interferometry (2015-02-03),
5. 8873067 - Interferometer for TSV measurement and measurement method using same (2014-10-28),
6. 8416293 - Plasma monitoring device and method (2013-04-09),
7. 8279447 - Method for measuring thickness (2012-10-02),
8. 8223326 - Dark-field examination device (2012-07-17),
9. 8199332 - Apparatus for measuring thickness (2012-06-12),
10. 8116555 - Vision inspection system and method for inspecting workpiece using the same (2012-02-14),
11. 7308130 - Method for inspecting input shaft of power steering system (2007-12-11),
12. 6269544 - Apparatus for measuring three-dimensional volumetric errors in multiaxis machine tool (2001-08-07),
13. 6167634 - Measurement and compensation system for thermal errors in machine tools (2001-01-02),
14. 5841668 - Method of assessing three dimensional volumetric errors in multiaxis (1998-11-24),
Company Overview
Snu Precision Co., Ltd. is a South Korean company based in Chungcheongnam-do, specializing in precision engineering and manufacturing solutions. The organization focuses on developing advanced technologies for various industries, including automotive, electronics, and medical devices. With a commitment to innovation, Snu Precision integrates cutting-edge research into its product offerings, ensuring high-quality and reliable solutions tailored to meet the evolving needs of its clients in both domestic and international markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#9 in Chungcheongnam-do

#825 in South Korea

#42,249 in the World

Chungcheongnam-do, KR
Chungcheongnam-do, South Korea

Snu Precision Co., Ltd.

Forward Citations = 101

31 inventors:

goldMedal Heui Jae Pahk (6 out of 8 patents)

silverMedal Woo Jung Ahn (3 out of 3 patents)

bronzeMedal Heui-Jae Pahk (3 out of 6 patents)

4.  Heung Hyun Shin (2 out of 2 patents)

5.  Young-Min Hwang (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Snu Precision Co., Ltd.. Retrieved from https://idiyas.com/company/snu-precision-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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