This inventor holds 7 USPTO granted patents. Top assignees: Asahi Kogaku Kogyo Kabushiki Kaisha, Casio Computer Co., Ltd., Kubota Air Conditioner Ltd.. Active years: 1981-2000.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Yamagata. Retrieved from https://idiyas.com/inventor/masakazu-yamagata
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
Average Co-Inventor Count = 1.4
ph-index = 5
Forward Citations = 61(Granted Patents)
Location History:
- Tsurugashima, JP (1981)
- Tokyo, JP (1987 - 2000)
Company Filing History:
6 out of 3,132 Asahi Kogaku Kogyo Kabushiki Kaisha
1 out of 5,234 
Casio Computer Co., Ltd.
1 out of 1 Kubota Air Conditioner Ltd.
4. 1 out of 2,914
Kubota Corporation
5. 1 out of 18
Sanki Engineering Co., Ltd.
where one patent can have more than one assignee
Years Active: 1981-2000
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7 patents (USPTO):Explore Patents
I specialize in providing information about innovations, inventions, inventors, patent attorneys, assignees, and 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]
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Yamagata. Retrieved from https://idiyas.com/inventor/masakazu-yamagata
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]
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]