Daiwa Seiko, Inc., headquartered in Tokyo, Japan, is a leading manufacturer specializing in fishing equipment. The company is renowned for its innovative designs and high-quality products, including fishing reels, electric reels, spinning reels, and reel seats. In addition to fishing gear, Daiwa also develops golf clubs and fishing rods, showcasing its diverse expertise in sporting goods. The organization emphasizes advanced technology in its products, integrating features like battery devices and ergonomic designs to enhance user experience in outdoor activities.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

602 Patents

#161 in Tokyo

#332 in Japan

#1,621 in the World

Tokyo, Japan

Daiwa Seiko, Inc.

Forward Citations = 6,801

214 inventors:

Kyoichi Kaneko (56 out of 65 patents)

Nobuyuki Yamaguchi (40 out of 49 patents)

Eiji Shinohara (35 out of 41 patents)

4. Shinichi Asano (32 out of 60 patents)

5. Takeo Miyazaki (32 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daiwa Seiko, Inc.. Retrieved from https://idiyas.com/company/daiwa-seiko

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 (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]