Green Optics Co., Ltd.

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 45

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8 inventors (with patents filed for the assignee):

Dong-Kyun Kim (2 out of 2 patents)

Hyun Il Cho (2 out of 4 patents)

Jang-Ho Choi (1 out of 1 patent)

4. Sang-Jun Lee (1 out of 1 patent)

5. Dong Geun Kim (1 out of 1 patent)

6. Kyoung Sang Moon (1 out of 1 patent)

7. Jin Ho Kim (1 out of 3 patents)

8. Jae Hee Byun (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 11906443 - Optical system for imaging enabling high resolution (2024-02-20),

2. 9575318 - Optical system for see-through head mounted display having three wedge prism arrangement for separate enlargement in vertical and horizontal directions (2017-02-21),

3. D746818 - Head mounted display (2016-01-05),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#28 in Chungcheongbuk-do

#2,798 in South Korea

Chungcheongbuk-do, South Korea

Green Optics Co., Ltd.

Forward Citations = 45

8 inventors:

Dong-Kyun Kim (2 out of 2 patents)

Hyun Il Cho (2 out of 4 patents)

Jang-Ho Choi (1 out of 1 patent)

4. Sang-Jun Lee (1 out of 1 patent)

5. Dong Geun Kim (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Green Optics Co., Ltd.. Retrieved from https://idiyas.com/company/green-optics-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]