Sanko Kogyo Co., Ltd.

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 7

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4 inventors (with patents filed for the assignee):

Masatake Chiba (1 out of 1 patent)

Ikuo Chiba (1 out of 1 patent)

Hisanori Takahashi (1 out of 1 patent)

4. Naoya Miyashita (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8778161 - Electrode block and fluid reformer using the electrode block (2014-07-15),

2. 5924747 - Coupling for use with container valve (1999-07-20),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#35 in Miyagi

#11,154 in Japan

Miyagi, Japan

Sanko Kogyo Co., Ltd.

Forward Citations = 7

4 inventors:

Masatake Chiba (1 out of 1 patent)

Ikuo Chiba (1 out of 1 patent)

Hisanori Takahashi (1 out of 1 patent)

4. Naoya Miyashita (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sanko Kogyo Co., Ltd.. Retrieved from https://idiyas.com/company/sanko-kogyo-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]

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]