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For the Inventor, By the Inventor

Wilmington, DE, United States of America

Plasmacarb Inc.


USPTO Granted Patents = 3

Forward Citations = 87

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3 inventors (with patents filed for the assignee):

goldMedal Hans I Wallsten (3 out of 12 patents)

silverMedal Hirotsugu K Yasuda (3 out of 3 patents)

bronzeMedal Yasuo Matsuzawa (1 out of 1 patent)


3 patents:

1. 5278384 - Apparatus and process for the treatment of powder particles for (1994-01-11),
2. 5176938 - Process for surface treatment of pulverulent material (1993-01-05),
3. 4948485 - Cascade arc plasma torch and a process for plasma polymerization (1990-08-14),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#696 in Wilmington, DE

#982 in Delaware

#71,953 in US

...
Wilmington, DE, United States of America

Plasmacarb Inc.

Forward Citations = 87

3 inventors:

goldMedal Hans I Wallsten (3 out of 12 patents)

silverMedal Hirotsugu K Yasuda (3 out of 3 patents)

bronzeMedal Yasuo Matsuzawa (1 out of 1 patent)

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