For the Inventor, By the Inventor

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Bellevue, WA, United States of America

Terrapower Isotopes, LLC

USPTO Granted Patents = 3

Forward Citations = 0

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8 inventors (with patents filed for the assignee):

Ken Czerwinski (3 out of 10 patents)

Christopher Dunckley (3 out of 6 patents)

Joshua C Walter (2 out of 60 patents)

4. Zuolei Liao (1 out of 1 patent)

5. Vladislav P Vlasenko (1 out of 1 patent)

6. Russell C Ludwig (1 out of 1 patent)

7. Pyoungchung Kim (1 out of 1 patent)

8. Sayandev Chatterjee (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12651677 - Process for the repeated irradiation of a radium target (2026-06-09),

2. 12540372 - Titania based generators for AC-225 generation (2026-02-03),

3. 12424343 - Separation of actinium from an irradiated source material including thorium (2025-09-23),

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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#175 in Bellevue, WA

#1,806 in Washington

#73,717 in US

Bellevue, WA, United States of America

Terrapower Isotopes, LLC

Forward Citations = 0

8 inventors:

Ken Czerwinski (3 out of 10 patents)

Christopher Dunckley (3 out of 6 patents)

Joshua C Walter (2 out of 60 patents)

4. Zuolei Liao (1 out of 1 patent)

5. Vladislav P Vlasenko (1 out of 1 patent)

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