Dongin Optical Co., Ltd.

Calculating rank

USPTO Granted Patents = 9

% Expired Patents = 11.1

Trademarks = 1

Forward Citations = 36

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4 inventors (with patents filed for the assignee):

In Yong Jung (9 out of 102 patents)

Dong Hee Lee (8 out of 54 patents)

Bo Sun Jeung (2 out of 24 patents)

4. Pyeong An Kim (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. RE49977 - Dot sighting device with large caliber (2024-05-21),

2. RE48746 - Dot sighting device with large caliber (2021-09-20),

3. RE48545 - Dot sighting device with large caliber (2021-05-03),

4. D875875 - Sight device (2020-02-18),

5. RE47336 - Device for multi-correcting the trajectory (2019-04-01),

6. RE47256 - Dot sighting device with large caliber (2019-02-25),

7. RE47133 - Dot sighting device with large caliber (2018-11-19),

8. RE46764 - Dot sighting device with large caliber (2018-03-26),

9. RE46734 - Device for multi-correcting the trajectory (2018-02-26),

Company Overview

Dongin Optical Co., Ltd. is a leading manufacturer of optical lenses and components, specializing in high-quality products for various industries such as medical, industrial, and consumer electronics. With a strong focus on research and development, Dongin Optical delivers innovative solutions that meet the needs of their customers worldwide. Established in 1998, the company is committed to providing cutting-edge optical technologies and excellent service to ensure customer satisfaction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#7 in Bucheon

#1,189 in South Korea

Bucheon, South Korea