This inventor holds 8 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Kumiai Chemical Industry Co., Ltd., Nippon Soda Co., Ltd.. Active years: 1993-2014.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Fujita. Retrieved from https://idiyas.com/inventor/shigeki-fujita
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
USPTO Granted Patents = 8 (Patent Applications = 1)
% Patents Active = 62.5
EPO Patents = 1
Average Co-Inventor Count = 2.5
ph-index = 3
Forward Citations = 23(Granted Patents)
Location History:
- Yaizu, JP (1993 - 1996)
- Iwata, JP (2002 - 2007)
- Tokyo, JP (2014)
Company Filing History:
8 out of 216 Kumiai Chemical Industry Co., Ltd.
1 out of 517 
Nippon Soda Co., Ltd.
where one patent can have more than one assignee
Years Active: 1993-2014
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8 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]
1 patent pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Fujita. Retrieved from https://idiyas.com/inventor/shigeki-fujita
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]
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]