Alpha Corporation, based in Kanagawa, Japan, specializes in the development and manufacturing of advanced vehicle door handles and associated locking mechanisms. The company focuses on innovative solutions such as electric steering locks and operation detection devices, enhancing vehicle security and user convenience. With a commitment to automotive engineering, Alpha Corporation plays a significant role in the evolution of vehicle access technologies, ensuring safety and functionality in modern automotive design.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

129 Patents

#34 in Kanagawa

#954 in Japan

#6,229 in the World

Kanagawa, Japan

Alpha Corporation

Forward Citations = 816

91 inventors:

Takahiro Okada (18 out of 78 patents)

Koichiro Sugimoto (12 out of 12 patents)

Takao Toyama (12 out of 12 patents)

4. Shinji Ichikawa (9 out of 9 patents)

5. Mitsuo Nishizuka (8 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alpha Corporation. Retrieved from https://idiyas.com/company/alpha

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]

1 patent (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]

94 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]