Forward Citations = 10

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5 inventors (with patents filed for the assignee):

Mitsuru Urabe (1 out of 2 patents)

Hirokazu Murata (1 out of 2 patents)

Masahiro Kimura (1 out of 1 patent)

4. Atsushi Yamamoto (1 out of 1 patent)

5. Yusuke Tachibana (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12643148 - Method for manufacturing three-dimensional object, three-dimensional object, titanium-containing intermediate three-dimensional object, and titanium-containing three-dimensional object (2026-06-02),

2. 8381696 - Cylinder (2013-02-26),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#186 in Saitama

#11,124 in Japan

Saitama, Japan

Nippon Piston Ring., Ltd.

Forward Citations = 10

5 inventors:

Mitsuru Urabe (1 out of 2 patents)

Hirokazu Murata (1 out of 2 patents)

Masahiro Kimura (1 out of 1 patent)

4. Atsushi Yamamoto (1 out of 1 patent)

5. Yusuke Tachibana (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippon Piston Ring., Ltd.. Retrieved from https://idiyas.com/company/nippon-piston-ring

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]