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For the Inventor, By the Inventor

Seoul, South Korea

Han Il E Hwa Co., Ltd.

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 80.0


Forward Citations = 75

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13 inventors (with patents filed for the assignee):

goldMedal Chun-Ho Shin (3 out of 3 patents)

silverMedal Sung-Ho Park (2 out of 2 patents)

bronzeMedal Sang Bok Lee (2 out of 2 patents)

4.  Hak Soo Kim (1 out of 42 patents)

5.  Won Gil Kim (1 out of 3 patents)

6.  Ki-Sung Kim (1 out of 1 patent)

7.  Im Taek Sung (1 out of 3 patents)

8.  Hyeong Geun Oh (1 out of 1 patent)

9.  In Ho Song (1 out of 1 patent)

10.  Ji Hyun Cho (1 out of 1 patent)

11.  Cheol-gyu Ko (1 out of 1 patent)

12.  Byung Uk Kang (1 out of 1 patent)

13.  Dae Sik Kim (1 out of 32 patents)

14.  Young Chan Oh (3 patents)

15.  Sang-Gyu Ji (0 patent)


10 patents:

1. 9597856 - Light-weight, multi-layered composite substrate and method of making the same (2017-03-21),
2. 9381829 - Seat elevation control apparatus for vehicle (2016-07-05),
3. 9200151 - Polypropylene resin composition (2015-12-01),
4. 9140371 - Air valve (2015-09-22),
5. 9010737 - Seat height adjusting apparatus for vehicle (2015-04-21),
6. 9010731 - Height adjusting device for vehicle suspension seat (2015-04-21),
7. 8789804 - Apparatus for adjusting seat height of vehicle (2014-07-29),
8. 8568131 - Horizontal molding method and apparatus of interior material of vehicle (2013-10-29),
9. 6774068 - Thermoplastic felt structure for automobile interior substrate (2004-08-10),
10. 6606766 - Clip for mounting article (2003-08-19),
Company Overview
Han Il E Hwa Co., Ltd. is a South Korean company based in Seoul, specializing in the development and manufacturing of advanced electronic components and materials. The organization focuses on innovative solutions for various industries, including automotive, telecommunications, and consumer electronics. With a commitment to research and development, Han Il E Hwa aims to enhance product performance and reliability through cutting-edge technology and materials science, contributing to the advancement of the electronics sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#399 in Seoul

#1,094 in South Korea

#56,119 in the World

Seoul, KR
Seoul, South Korea

Han Il E Hwa Co., Ltd.

Forward Citations = 75

13 inventors:

goldMedal Chun-Ho Shin (3 out of 3 patents)

silverMedal Sung-Ho Park (2 out of 2 patents)

bronzeMedal Sang Bok Lee (2 out of 2 patents)

4.  Hak Soo Kim (1 out of 42 patents)

5.  Won Gil Kim (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Han Il E Hwa Co., Ltd.. Retrieved from https://idiyas.com/company/han-il-e-hwa-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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