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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#30 in Kumamoto
#11,139 in Japan
Masako Kiyohara
Forward Citations = 23
4 inventors:
Masako Kiyohara
Calculating rank
Forward Citations = 23
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4 inventors (with patents filed for the assignee):
Masahiko Nakazawa (2 out of 13 patents)
Hisayoshi Matsumoto (2 out of 4 patents)
Yoshinori Shimomura (1 out of 5 patents)
4. Tetsuya Kojima (1 out of 24 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Masako Kiyohara. Retrieved from https://idiyas.com/company/masako-kiyohara
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]