This inventor holds 4 USPTO granted patents and 4 EPO patents. Top assignees: Citizen Machinery Co., Ltd., Citizen Watch Company, Ltd.. Active years: 2018-2019.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyoshi Imasaki. Retrieved from https://idiyas.com/inventor/nobuyoshi-imasaki
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
EPO Patents = 4 (Patent Applications = 4)
Average Co-Inventor Count = 3.4
ph-index = 2
Forward Citations = 15(Granted Patents)
Location History:
- Amagasaki, JP (2018)
- Hyogo, JP (2019)
Company Filing History:
4 out of 84 
Citizen Machinery Co., Ltd.
3 out of 2,004 
Citizen Watch Company, Ltd.
where one patent can have more than one assignee
Years Active: 2018-2019
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4 patents (USPTO):Explore Patents
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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: Nobuyoshi Imasaki. Retrieved from https://idiyas.com/inventor/nobuyoshi-imasaki
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]
4 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]
4 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]