This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Sumitomo Rubber Industries Limited, Nakata Zoki Co., Ltd, Sumitomo Electric Industries, Limited. Active years: 1989-2006.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Arita. Retrieved from https://idiyas.com/inventor/masakazu-arita
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
% Patents Active = 100.0
EPO Patents = 1 (Patent Applications = 1)
Average Co-Inventor Count = 1.9
ph-index = 4
Forward Citations = 37(Granted Patents)
Location History:
- Kakogawa, JP (1989 - 1993)
- Kobe, JP (2002 - 2006)
Company Filing History:
3 out of 4,548 
Sumitomo Rubber Industries Limited
1 out of 3 Nakata Zoki Co., Ltd
1 out of 10,647 
Sumitomo Electric Industries, Limited
4. 2 out of 834,570 patents
Other
where one patent can have more than one assignee
Years Active: 1989-2006
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5 patents (USPTO):Explore 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 Arita. Retrieved from https://idiyas.com/inventor/masakazu-arita
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]
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]
1 patent pending (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]