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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#4,366 in Tokyo
#11,133 in Japan
Chiyoda-Ku
Forward Citations = 28
6 inventors:
Chiyoda-Ku
Forward Citations = 28
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6 inventors (with patents filed for the assignee):
Yasuhiro Tsubaki (2 out of 12 patents)
Toshio Hattori (2 out of 12 patents)
Haruo Hagiwara (2 out of 11 patents)
4. Nobuharu Takagi (2 out of 3 patents)
5. Kiyomi Yamada (2 out of 3 patents)
6. Hideo Tsukamoto (2 out of 5 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chiyoda-Ku. Retrieved from https://idiyas.com/company/chiyoda-ku
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]