For the Inventor, By the Inventor

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Cupertino, CA, United States of America

Modular Power Corporation

USPTO Granted Patents = 3

Forward Citations = 352

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5 inventors (with patents filed for the assignee):

David C Hoffman (3 out of 4 patents)

Anthony F Matouk (2 out of 5 patents)

Donald M Barrus (1 out of 5 patents)

4. Tadao B Warashina (1 out of 1 patent)

5. Daniel Aschbacher (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. D298616 - Modular power supply (1988-11-22),

2. 4783728 - Modular power supply with PLL control (1988-11-08),

3. 4691274 - Modular electronic power supply (1987-09-01),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#139 in Cupertino, CA

#16,428 in California

#72,042 in US

Cupertino, CA, United States of America

Modular Power Corporation

Forward Citations = 352

5 inventors:

David C Hoffman (3 out of 4 patents)

Anthony F Matouk (2 out of 5 patents)

Donald M Barrus (1 out of 5 patents)

4. Tadao B Warashina (1 out of 1 patent)

5. Daniel Aschbacher (1 out of 1 patent)

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