For the Inventor, By the Inventor

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Gyeonggi-do, South Korea

Psm Inc.

USPTO Granted Patents = 3

% Expired Patents = 33.3

Trademarks = 2

Forward Citations = 3

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6 inventors (with patents filed for the assignee):

Keun-Ho Lee (2 out of 23 patents)

Olivier Postel (1 out of 1 patent)

Jong-hoon Kang (1 out of 2 patents)

4. Hyun-jun Kim (1 out of 2 patents)

5. Hong-il Jo (1 out of 2 patents)

6. Young-myung Kim (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 11264211 - Cold plasma generating apparatus and multi-cold plasma array apparatus comprising the same (2022-03-01),

2. 10779389 - Hand-type low temperature microwave plasma generator (2020-09-15),

3. 8800336 - Apparatus and method for forming product having asymmetric cross-section using ring rolling process (2014-08-12),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#191 in Gyeonggi-do

#2,785 in South Korea

Gyeonggi-do, South Korea

Psm Inc.

Forward Citations = 3

6 inventors:

Keun-Ho Lee (2 out of 23 patents)

Olivier Postel (1 out of 1 patent)

Jong-hoon Kang (1 out of 2 patents)

4. Hyun-jun Kim (1 out of 2 patents)

5. Hong-il Jo (1 out of 2 patents)

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