This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignees: Toyo Seikan Kaisha, Ltd., Toyo Kohan Co., Ltd., Toyo Seikan Group Holdings, Ltd.. Active years: 2008-2018.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidekazu Tomaru. Retrieved from https://idiyas.com/inventor/hidekazu-tomaru
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
% Patents Active = 80.0
EPO Patents = 3 (Patent Applications = 2)
Average Co-Inventor Count = 3.7
ph-index = 3
Forward Citations = 16(Granted Patents)
Company Filing History:
4 out of 586 
Toyo Seikan Kaisha, Ltd.
1 out of 260 
Toyo Kohan Co., Ltd.
1 out of 222 Toyo Seikan Group Holdings, Ltd.
where one patent can have more than one assignee
Years Active: 2008-2018
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5 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidekazu Tomaru. Retrieved from https://idiyas.com/inventor/hidekazu-tomaru
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]
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]
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]
3 patents (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]
2 patents pending (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]