EPO Patents = 2

Forward Citations = 71

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9 inventors (with patents filed for the assignee):

Kohei Yamada (3 out of 3 patents)

Eiji Yoshimura (2 out of 3 patents)

Toshiro Higuchi (1 out of 53 patents)

4. Yoshimura Eiji (1 out of 1 patent)

5. Yoichi Kawai (1 out of 23 patents)

6. Yoshiyasu Kamiya (1 out of 3 patents)

7. Kaneyuki Takagi (1 out of 4 patents)

8. Susumu Ueda (1 out of 1 patent)

9. Toshiaki Ae (1 out of 1 patent)

10. Mitsuo Hori (0 patent)

11. Kohei Yamada (0 patent)

9 patents: Sort by Forward Citations

1. 11490522 - Method for manufacturing wiring board or wiring board material (2022-11-01),

2. 6555209 - Method of manufacturing multilayer wiring board (2003-04-29),

3. 6527963 - Method of manufacturing multilayer wiring boards (2003-03-04),

4. D415605 - Sun visor (1999-10-26),

5. 5727879 - Waste decomposition treatment apparatus (1998-03-17),

6. 5213865 - Antistatic mat (1993-05-25),

7. 5160775 - Antistatic mat (1992-11-03),

8. 4904430 - Method and an apparatus for backing up vehicle mat (1990-02-27),

9. 4600748 - Polyolefin composition (1986-07-15),

Company Overview

Daiwa Co., Ltd. is a Japanese multinational corporation specializing in fishing tackle and equipment. Founded in 1958, Daiwa has become a leading brand in the fishing industry, known for its high-quality products and innovative technology. With a global presence, Daiwa continues to set the standard for fishing gear worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#66 in Nagano

#4,704 in Japan

Nagano, Japan

Daiwa Co., Ltd.

Forward Citations = 71

9 inventors:

Kohei Yamada (3 out of 3 patents)

Eiji Yoshimura (2 out of 3 patents)

Toshiro Higuchi (1 out of 53 patents)

4. Yoshimura Eiji (1 out of 1 patent)

5. Yoichi Kawai (1 out of 23 patents)

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

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]

2 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]