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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#27 in Sendai
#11,139 in Japan
Pioneer System Technologies Corporation
Forward Citations = 3
5 inventors:
Pioneer System Technologies Corporation
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 3
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5 inventors (with patents filed for the assignee):
Shunichi Kumagai (2 out of 3 patents)
Takuya Hirose (2 out of 3 patents)
Masayoshi Suzuki (2 out of 2 patents)
4. Reiji Matsumoto (2 out of 9 patents)
5. Hajime Adachi (2 out of 7 patents)
6. Kota Kimura (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pioneer System Technologies Corporation. Retrieved from https://idiyas.com/company/pioneer-system-technologies
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 (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]