For the Inventor, By the Inventor

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Sherbrooke, Canada

Aikawa Fiber Technologies Inc.

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 5

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5 inventors (with patents filed for the assignee):

Ronald J DeFoe (2 out of 3 patents)

Robert William Gooding (2 out of 5 patents)

Jens O Heymer (2 out of 2 patents)

4. Mathieu Hamelin (1 out of 3 patents)

5. Daniel Paterson (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12742288 - Refiner filling piece having multiple coatings on bars (2026-09-22),

2. 12454793 - Refiner filling piece having variably coated bars (2025-10-28),

3. 11135532 - Rotor element and a rotor for a screening apparatus (2021-10-05),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#18 in Sherbrooke

#4,365 in Canada

Sherbrooke, Canada

Aikawa Fiber Technologies Inc.

Forward Citations = 5

5 inventors:

Ronald J DeFoe (2 out of 3 patents)

Robert William Gooding (2 out of 5 patents)

Jens O Heymer (2 out of 2 patents)

4. Mathieu Hamelin (1 out of 3 patents)

5. Daniel Paterson (1 out of 1 patent)

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