Hitachi Metals Neomaterial, Ltd.

Calculating rank

USPTO Granted Patents = 1

% Expired Patents = 100.0

EPO Patents = 1

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Shinji Yamamoto (1 out of 97 patents)

Shinichi Matsumoto (1 out of 1 patent)

Kenji Tsuchiya (1 out of 1 patent)

4. Yoshirou Hirai (1 out of 6 patents)

5. Shinichi Matsumoto (0 patent)

6. Kenji Tsuchiya (0 patent)

1 patent: Sort by Forward Citations

1. 9395692 - Hairspring material for mechanical timepiece and hairspring using the same (2016-07-19),

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#1,658 in Osaka

#15,762 in Japan

Osaka, Japan

Hitachi Metals Neomaterial, Ltd.

Forward Citations = 2

4 inventors:

Shinji Yamamoto (1 out of 97 patents)

Shinichi Matsumoto (1 out of 1 patent)

Kenji Tsuchiya (1 out of 1 patent)

4. Yoshirou Hirai (1 out of 6 patents)

5. Shinichi Matsumoto (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Metals Neomaterial, Ltd.. Retrieved from https://idiyas.com/company/hitachi-metals-neomaterial

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 (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]