Tosco Co., Ltd.

Calculating rank

Forward Citations = 19

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6 inventors (with patents filed for the assignee):

Shozaburo Dobashi (2 out of 2 patents)

Hisaichiro Uchida (2 out of 2 patents)

Yuji Yamamoto (1 out of 2 patents)

4. Keiso Ohara (1 out of 1 patent)

5. Taizo Kunimura (1 out of 1 patent)

6. Hiroshi Miyachi (1 out of 1 patent)

2 patents: Sort by Forward Citations

#4,375 in Tokyo

#11,147 in Japan

Forward Citations = 19

6 inventors:

Shozaburo Dobashi (2 out of 2 patents)

Hisaichiro Uchida (2 out of 2 patents)

Yuji Yamamoto (1 out of 2 patents)

4. Keiso Ohara (1 out of 1 patent)

5. Taizo Kunimura (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tosco Co., Ltd.. Retrieved from https://idiyas.com/company/tosco-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]