This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignees: Taiheiyo Cement Corporation, National Institute of Advanced Industrial Science and Technology, The University of Tokyo. Active years: 2010-2026.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouki Ichitsubo. Retrieved from https://idiyas.com/inventor/kouki-ichitsubo
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 = 3 (Patent Applications = 4)
Average Co-Inventor Count = 5.8
ph-index = 1
Forward Citations = 5(Granted Patents)
Location History:
- Sakura, JP (2010)
- Chiba, JP (2016 - 2017)
Company Filing History:
5 out of 94 
Taiheiyo Cement Corporation
1 out of 1,763 
National Institute of Advanced Industrial Science and Technology
1 out of 1,355 
The University of Tokyo
where one patent can have more than one assignee
Years Active: 2010-2026
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5 patents (USPTO):Explore Patents
I specialize in the sphere of innovations, inventions, inventors, patent attorneys, assignees, and 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: Kouki Ichitsubo. Retrieved from https://idiyas.com/inventor/kouki-ichitsubo
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]
1 patent pending (CIPO):
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]
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]