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For the Inventor, By the Inventor

Milpitas, CA, United States of America

Touchstone Semiconductor, Inc.


USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 7

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3 inventors (with patents filed for the assignee):

goldMedal Gregory L Schaffer (1 out of 18 patents)

silverMedal SanHwa Chee (1 out of 1 patent)

bronzeMedal M Jeroen Fonderie (1 out of 1 patent)


3 patents:

1. 8618848 - Clock generator with comparator error compensation (2013-12-31),
2. 8581569 - Supply independent current reference generator in CMOS technology (2013-11-12),
3. 8487697 - Fully differential autozeroing amplifier (2013-07-16),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#165 in Milpitas, CA

#16,817 in California

#73,706 in US

Milpitas, CA (US)
Milpitas, CA, United States of America

Touchstone Semiconductor, Inc.

Forward Citations = 7

3 inventors:

goldMedal Gregory L Schaffer (1 out of 18 patents)

silverMedal SanHwa Chee (1 out of 1 patent)

bronzeMedal M Jeroen Fonderie (1 out of 1 patent)

Please report any incorrect information to [email protected]
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