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For the Inventor, By the Inventor

Fukuoka, Japan

Askagi Corporation


USPTO Granted Patents = 3

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal Toshiaki Yoshimura (3 out of 4 patents)

silverMedal Hiroyuki Minowa (3 out of 3 patents)

bronzeMedal Lung Kei Amos Shek (3 out of 3 patents)


3 patents:

1. 11227748 - Plasma treatment device and structure of reaction vessel for plasma treatment (2022-01-18),
2. 11225718 - Plasma treatment device and structure of reaction vessel for plasma treatment (2022-01-18),
3. 11174554 - Substrate tray for use in thin-film formation device (2021-11-16),
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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#76 in Fukuoka

#8,929 in Japan

Fukuoka, JP
Fukuoka, Japan

Askagi Corporation

Forward Citations = 0

3 inventors:

goldMedal Toshiaki Yoshimura (3 out of 4 patents)

silverMedal Hiroyuki Minowa (3 out of 3 patents)

bronzeMedal Lung Kei Amos Shek (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Askagi Corporation. Retrieved from https://idiyas.com/company/askagi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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