For the Inventor, By the Inventor

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Hong Kong, China

Redisem Ltd.

USPTO Granted Patents = 5

EPO Patents = 5

Forward Citations = 0

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8 inventors (with patents filed for the assignee):

Russell Jacques (4 out of 5 patents)

David Coulson (4 out of 5 patents)

Niek Van Der Duijn Schouten (4 out of 4 patents)

4. David Robert Coulson (1 out of 15 patents)

5. Russell Jacques (1 out of 12 patents)

6. Hon Chee So (1 out of 1 patent)

7. Nicolaas Van Der Duijn Schouten (2 patents)

8. David Coulson (0 patent)

9. David Coulson (0 patent)

10. David Coulson (0 patent)

11. Russell Jacques (0 patent)

5 patents: Sort by Forward Citations

1. 12513800 - Power converter and method of converting power (2025-12-30),

2. 12438451 - Power converter, controller, and methods (2025-10-07),

3. 12341416 - Controller for power converter (2025-06-24),

4. 12273019 - Controller for a power converter having an inverter frequency controlled by a switch control signal (2025-04-08),

5. 10658932 - Power control circuit (2020-05-19),

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USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#592 in Hong Kong

#5,228 in China

Hong Kong, China

Redisem Ltd.

Forward Citations = 0

8 inventors:

Russell Jacques (4 out of 5 patents)

David Coulson (4 out of 5 patents)

Niek Van Der Duijn Schouten (4 out of 4 patents)

4. David Robert Coulson (1 out of 15 patents)

5. Russell Jacques (1 out of 12 patents)

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