This inventor holds 3 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignees: Hitachi, Ltd., Hitachi Computer Engineering Co., Ltd., Hitachi Information Network, Ltd.. Active years: 1987-1993.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoya Nishi. Retrieved from https://idiyas.com/inventor/tomoya-nishi
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 3 (Patent Applications = 4)
% Patents Active = 100.0
EPO Patents = 1 (Patent Applications = 1)
Average Co-Inventor Count = 3.3
ph-index = 3
Forward Citations = 38(Granted Patents)
Location History:
- Hadano, JP (1987 - 1989)
- Sapporo, JP (1993)
Company Filing History:
3 out of 42,726 
Hitachi, Ltd.
1 out of 61 Hitachi Computer Engineering Co., Ltd.
1 out of 5 Hitachi Information Network, Ltd.
where one patent can have more than one assignee
Years Active: 1987-1993
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3 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]
4 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoya Nishi. Retrieved from https://idiyas.com/inventor/tomoya-nishi
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]
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]
1 patent 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]