Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Masayuki Motoori (1 out of 1 patent)

Hidehiro Ishikawa (1 out of 1 patent)

Tsunehiro Hato (1 out of 11 patents)

4. Akira Tsukamoto (1 out of 11 patents)

5. Keiichi Tanabe (1 out of 24 patents)

1 patent: Sort by Forward Citations

1. 11137455 - Magnetic field measuring element, magnetic field measuring device, and magnetic field measuring system (2021-10-05),

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USPTO Data Jan 1 1976 - Oct 20 2026

1 Patents

#6,102 in Tokyo

#15,759 in Japan

Tokyo, Japan

Mitsui Mineral Development Engineering Co., Ltd.

Forward Citations = 0

5 inventors:

Masayuki Motoori (1 out of 1 patent)

Hidehiro Ishikawa (1 out of 1 patent)

Tsunehiro Hato (1 out of 11 patents)

4. Akira Tsukamoto (1 out of 11 patents)

5. Keiichi Tanabe (1 out of 24 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsui Mineral Development Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/mitsui-mineral-development-engineering-company

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]