Shiga Valve Cooperative

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USPTO Granted Patents = 1

Forward Citations = 3

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5 inventors (with patents filed for the assignee):

Toru Maruyama (1 out of 3 patents)

Takeshi Kobayashi (1 out of 15 patents)

Ryozo Matsubayashi (1 out of 1 patent)

4. Masakazu Teramura (1 out of 1 patent)

5. Hiroyuki Abe (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 8470101 - Lead-free copper alloy for casting with excellent mechanical properties (2013-06-25),

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#67 in Shiga

#15,762 in Japan

Shiga, Japan

Shiga Valve Cooperative

Forward Citations = 3

5 inventors:

Toru Maruyama (1 out of 3 patents)

Takeshi Kobayashi (1 out of 15 patents)

Ryozo Matsubayashi (1 out of 1 patent)

4. Masakazu Teramura (1 out of 1 patent)

5. Hiroyuki Abe (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shiga Valve Cooperative. Retrieved from https://idiyas.com/company/shiga-valve-cooperative

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]