This inventor holds 2 USPTO granted patents. Top assignees: Sumitomo Metal Industries, Inc., Diamond Engineering Co., Ltd., Kansai Netukagaku Kabushiki Kaisha. Active years: 1994-1998.
IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Numazawa. Retrieved from https://idiyas.com/inventor/makoto-numazawa
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 = 5.0
ph-index = 2
Forward Citations = 41(Granted Patents)
Location History:
- Nishinomiya, JP (1994)
- Osaka, JP (1998)
Company Filing History:
2 out of 929 Sumitomo Metal Industries, Inc.
1 out of 5 Diamond Engineering Co., Ltd.
1 out of 1 Kansai Netukagaku Kabushiki Kaisha
4. 1 out of 1,256
Kawasaki Steel Corporation
5. 1 out of 614
Nkk Corporation
6. 1 out of 1,256
Sumitomo Heavy Industries, Ltd.
where one patent can have more than one assignee
Years Active: 1994-1998
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2 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: Makoto Numazawa. Retrieved from https://idiyas.com/inventor/makoto-numazawa
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]