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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#1,147 in Osaka
#11,139 in Japan
Zeniya Aluminum Engineering, Limited
Forward Citations = 6
12 inventors:
Zeniya Aluminum Engineering, Limited
% Expired Patents = 50.0
Forward Citations = 6
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12 inventors (with patents filed for the assignee):
Atsuko Yamaguchi (1 out of 5 patents)
Yuji Maki (1 out of 14 patents)
Akio Handa (1 out of 43 patents)
4. Takashi Nishizaka (1 out of 1 patent)
5. Shoji Suzuki (1 out of 9 patents)
6. Kiyoshi Amaki (1 out of 2 patents)
7. Toshio Nishimoto (1 out of 1 patent)
8. Kouzou Maekawa (1 out of 1 patent)
9. Yoshito Hasegawa (1 out of 1 patent)
10. Hidefumi Maekawa (1 out of 1 patent)
11. Kazuaki Takaya (1 out of 1 patent)
12. Kazunori Tsuda (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zeniya Aluminum Engineering, Limited. Retrieved from https://idiyas.com/company/zeniya-aluminum-engineering
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]