For the Inventor, By the Inventor

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Vancouver, WA, United States of America

Elite Sigma Solution LLC

USPTO Granted Patents = 2

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

In Jae Chung (2 out of 30 patents)

Ji Hoon Chung (2 out of 6 patents)

Samuel Seok Jae Jeong (2 out of 2 patents)

4. Shin Won Yu (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12667866 - Apparatus for sorting raw coffee beans based on defect detection (2026-06-30),

2. 12533713 - Apparatus for sorting raw coffee beans based on defect detection (2026-01-27),

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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#95 in Vancouver, WA

#2,341 in Washington

#94,730 in US

Vancouver, WA, United States of America

Elite Sigma Solution LLC

Forward Citations = 0

4 inventors:

In Jae Chung (2 out of 30 patents)

Ji Hoon Chung (2 out of 6 patents)

Samuel Seok Jae Jeong (2 out of 2 patents)

4. Shin Won Yu (1 out of 1 patent)

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