This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: International Business Machines Corporation, Ricoh Company, Ltd.. Active years: 2012-2018.
IDiyas Innovation Intelligence. (2026). Inventor Profile: DaFei Shi. Retrieved from https://idiyas.com/inventor/dafei-shi
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
EPO Patents = 1 (Patent Applications = 2)
Average Co-Inventor Count = 4.3
ph-index = 2
Forward Citations = 7(Granted Patents)
Company Filing History:
3 out of 166,351 
International Business Machines Corporation
2 out of 28,940 
Ricoh Company, Ltd.
Years Active: 2012-2018
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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: DaFei Shi. Retrieved from https://idiyas.com/inventor/dafei-shi
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]
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]