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Daejeon, South Korea

Plasmart Inc.

USPTO Granted Patents = 8

% Expired Patents = 12.5

Trademarks = 2

Forward Citations = 23

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14 inventors (with patents filed for the assignee):

Sang-Won Lee (2 out of 10 patents)

Yong-Gwan Lee (2 out of 4 patents)

Wonoh Lee (2 out of 2 patents)

4. Sang Won Lee (2 out of 10 patents)

5. Yong Gwan Lee (2 out of 2 patents)

6. Jae-Hyun Kim (2 out of 31 patents)

7. Sae-Hoon Uhm (1 out of 13 patents)

8. Jaehyun Kim (1 out of 4 patents)

9. Young-Rok Kim (1 out of 10 patents)

10. Kyu-Hun Lee (1 out of 1 patent)

11. Jin-Joong Kim (1 out of 3 patents)

12. Honghzi Bao (1 out of 2 patents)

13. Hongzhi Bao (1 out of 1 patent)

14. Jae Hyun Kim (1 out of 47 patents)

8 patents: Sort by Forward Citations

1. 9960011 - Plasma generation apparatus and plasma generation method (2018-05-01),

2. 9736919 - RF power distribution device and RF power distribution method (2017-08-15),

3. 9450559 - Impedance matching device, linear motion module, and radio frequency power supply device (2016-09-20),

4. 9088266 - Impedance matching device, linear motion module, and radio frequency power supply device (2015-07-21),

5. 8884520 - Impedance matching apparatus (2014-11-11),

6. 8567803 - Seat apparatus for a child's ride-on vehicle (2013-10-29),

7. 8466623 - Impedance matching methods and systems performing the same (2013-06-18),

8. D647336 - Seat apparatus for a child's ride-on vehicle (2011-10-25),

Plasmart Inc. is a global toy company that designs and distributes innovative and high-quality toys for children. Their products are known for their creativity, durability, and educational value. Plasmart's mission is to bring joy and learning to children through their engaging and thoughtfully designed toys.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

8 Patents

#72 in Daejeon

#1,305 in South Korea

Daejeon, South Korea

Plasmart Inc.

Forward Citations = 23

14 inventors:

Sang-Won Lee (2 out of 10 patents)

Yong-Gwan Lee (2 out of 4 patents)

Wonoh Lee (2 out of 2 patents)

4. Sang Won Lee (2 out of 10 patents)

5. Yong Gwan Lee (2 out of 2 patents)

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