Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Masami Mesuda (2 out of 19 patents)

Kenichi Itoh (2 out of 16 patents)

Koichi Hanawa (2 out of 6 patents)

4. Daiki Shono (2 out of 2 patents)

5. Taiga Kondo (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12392025 - Method for producing chromium sintered body, method for producing sputtering target, and method for producing substrate with chromium film (2025-08-19),

2. 12385126 - Sputtering target, method for producing same, and method for producing sputtering film using sputtering target (2025-08-12),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#30 in Yamagata

#11,133 in Japan

Yamagata, Japan

Tosoh Speciality Materials Corporation

Forward Citations = 0

5 inventors:

Masami Mesuda (2 out of 19 patents)

Kenichi Itoh (2 out of 16 patents)

Koichi Hanawa (2 out of 6 patents)

4. Daiki Shono (2 out of 2 patents)

5. Taiga Kondo (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tosoh Speciality Materials Corporation. Retrieved from https://idiyas.com/company/tosoh-speciality-materials

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]