Sumitomo Electric Hardmetal Corp., based in Itami, Japan, specializes in the development and manufacturing of cutting tools. The company focuses on advanced technologies such as diamond cutting tools, cubic boron nitride, and cemented carbide, catering to various industrial applications. Their product portfolio includes cutting inserts, drill heads, and boring tools, emphasizing precision and efficiency in machining processes. With a commitment to innovation, Sumitomo Electric Hardmetal plays a significant role in enhancing manufacturing capabilities across diverse sectors.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

599 Patents

#1 in Itami

#337 in Japan

#1,635 in the World

Itami, Japan

Sumitomo Electric Hardmetal Corp.

Forward Citations = 2,199

313 inventors:

Satoru Kukino (114 out of 142 patents)

Shinya Imamura (78 out of 80 patents)

Anongsack Paseuth (63 out of 88 patents)

4. Katsumi Okamura (62 out of 78 patents)

5. Susumu Okuno (58 out of 59 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo Electric Hardmetal Corp.. Retrieved from https://idiyas.com/company/sumitomo-electric-hardmetal

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]

15 patents (CIPO):

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]

279 patents (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]