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Siheung-si, South Korea

Daejoo Electronic Materials Co., Ltd.

USPTO Granted Patents = 15

EPO Patents = 6

Trademarks = 1

Forward Citations = 4

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47 inventors (with patents filed for the assignee):

Seung Min Oh (5 out of 31 patents)

Jong Chan Lim (4 out of 4 patents)

Chi Ho Yoon (2 out of 2 patents)

4. Jin Ho Kwak (2 out of 2 patents)

5. Won Jun Jo (2 out of 2 patents)

6. Young Ho Lee (2 out of 2 patents)

7. Moo Hyun Lim (2 out of 2 patents)

8. Seung-Min Oh (2 out of 16 patents)

9. Jeong Gyu Park (2 out of 2 patents)

10. Jong-hoon Byun (2 out of 2 patents)

11. Yoon-gu Hwang (2 out of 2 patents)

12. Young Min Jeon (2 out of 2 patents)

13. Ki Jun Kim (1 out of 521 patents)

14. Ju Yeon Won (1 out of 7 patents)

15. Kwang-Wook Choi (1 out of 4 patents)

15 patents: Sort by Forward Citations

1. 12463198 - Negative electrode active material for non-aqueous electrolyte secondary battery and manufacturing method thereof (2025-11-04),

2. 12431491 - Silicon oxide composite for lithium secondary battery anode material and method for manufacturing same (2025-09-30),

3. 12412888 - Negative electrode active material for non-aqueous electrolyte secondary battery comprising silicon oxide composite and manufacturing method thereof (2025-09-09),

4. 11851370 - Laminated body for preparing wavelength conversion member and preparation method of wavelength conversion member (2023-12-26),

5. 11713274 - Mixed silver powder and conductive paste comprising same (2023-08-01),

6. 11426795 - Silver particles and manufacturing method therefor (2022-08-30),

7. 11401200 - Mixed silver powder and conductive paste comprising same (2022-08-02),

8. 10593933 - Negative electrode active material for non-aqueous electrolyte rechargeable battery, method for preparing same, and non-aqueous rechargeable battery including same (2020-03-17),

9. 9577255 - Negative electrode active material for non-aqueous electrolyte rechargeable battery, method of fabricating the same, and non-aqueous electrolyte rechargeable battery including the same (2017-02-21),

10. 9403713 - Glass composition for high-reliability ceramic phosphor plate and ceramic phosphor (2016-08-02),

11. 9024304 - Naphthalene derivative, organic material including the same, and organic electroluminescent device including the same (2015-05-05),

12. 8303928 - Fluorine-containing magnesium oxide powder prepared by vapor phase reaction and method of preparing the same (2012-11-06),

13. 8119030 - Thulium-containing fluorescent substance for white light emitting diode and manufacturing method thereof (2012-02-21),

14. 7972586 - Fluorine-containing magnesium oxide powder prepared by vapor phase reaction and method of preparing the same (2011-07-05),

15. 7615248 - Method for preparing blue-emitting barium magnesium aluminate (BAM) phosphor for blacklight unit lamp, and blue-emitting BAM phosphor prepared by the method (2009-11-10),

DAEJOO ELECTRONIC MATERIALS CO., LTD. is a leading provider of electronic materials for various industries. With years of experience and expertise, we specialize in manufacturing high-quality electronic components and materials that meet the demands of our customers. Our commitment to innovation and customer satisfaction has made us a trusted choice for businesses worldwide. Please visit our website for more information about our products and services.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

15 Patents

#3 in Siheung-si

#737 in South Korea

#38,723 in the World

Siheung-si, South Korea

Daejoo Electronic Materials Co., Ltd.

Forward Citations = 4

47 inventors:

Seung Min Oh (5 out of 31 patents)

Jong Chan Lim (4 out of 4 patents)

Chi Ho Yoon (2 out of 2 patents)

4. Jin Ho Kwak (2 out of 2 patents)

5. Won Jun Jo (2 out of 2 patents)

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