Ashigara Manufacturing Inc.

Calculating rank

USPTO Granted Patents = 2

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Terumitsu Ishii (2 out of 2 patents)

Kazunori Matsui (1 out of 1 patent)

Akira Hashimoto (1 out of 21 patents)

4. Daisuke Yamamoto (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12480851 - Method for diagnosing film degradation (2025-11-25),

2. 10639610 - Film deterioration preventing material and acid gas removing agent (2020-05-05),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#400 in Kanagawa

#11,147 in Japan

Kanagawa, Japan

Ashigara Manufacturing Inc.

Forward Citations = 0

4 inventors:

Terumitsu Ishii (2 out of 2 patents)

Kazunori Matsui (1 out of 1 patent)

Akira Hashimoto (1 out of 21 patents)

4. Daisuke Yamamoto (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ashigara Manufacturing Inc.. Retrieved from https://idiyas.com/company/ashigara-manufacturing

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]

1 patent (CIPO):

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]

1 patent (EPO):

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]