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Daiwa Seiko, Inc.

USPTO Granted Patents = 602

EPO Patents = 1

Trademarks = 73

Forward Citations = 6,641

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215 inventors (with patents filed for the assignee):

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)

6. Wataru Tsutsumi (30 out of 48 patents)

7. Kanji Iinuma (28 out of 42 patents)

8. Tomoyoshi Tsurufuji (26 out of 27 patents)

9. Masaru Akiba (25 out of 56 patents)

10. Yasuhisa Kameda (24 out of 25 patents)

11. Shigeru Yamamoto (23 out of 33 patents)

12. Akira Yamaguchi (22 out of 56 patents)

13. Harunobu Kusumoto (19 out of 21 patents)

14. Shinji Takeuchi (18 out of 21 patents)

15. Kazuo Hirano (16 out of 23 patents)

Core Competencies:

Fishing Reel

Electric Fishing Reel

Golf Club

Reel Seat

Fishing Rod

Battery Device

Spinning Reel

Fishing Reel Body

Golf Club Head

Knob Handle

Operation Lever

Closed Face Reel

602 patents: Sort by Forward Citations

1. 8047935 - Sporting pipe (2011-11-01),

2. 7931542 - Golf club (2011-04-26),

3. 7798439 - Fishing reel (2010-09-21),

4. 7793877 - Battery device for fishing and power supply method for electric fishing reel (2010-09-14),

5. 7775906 - Golf club (2010-08-17),

6. 7721986 - Fishing spinning reel (2010-05-25),

7. D611561 - Side plate for fishing reel body (2010-03-09),

8. D609772 - Fishing reel (2010-02-09),

9. D607534 - Reel seat for fishing rod (2010-01-05),

10. D607533 - Reel seat for fishing rod (2010-01-05),

11. D607532 - Knob of handle for fishing reel body (2010-01-05),

12. 7631829 - Fishing reel (2009-12-15),

13. 7614575 - Electric reel for fishing (2009-11-10),

14. D593639 - Reel seat for fishing rod (2009-06-02),

15. D593637 - Fishing reel (2009-06-02),

Daiwa Seiko, Inc. is a leading manufacturer of high-quality precision equipment located in Japan. With over 50 years of experience, our company specializes in producing state-of-the-art fishing reels and accessories. We are committed to delivering innovative and reliable products to meet the needs of fishing enthusiasts worldwide. Our passion for craftsmanship and advanced technology has made us a trusted brand in the fishing industry. To learn more about our products and explore our extensive range, please visit our official website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

602 Patents

#143 in Tokyo

#323 in Japan

#1,583 in the World

Daiwa Seiko, Inc.

Forward Citations = 6,641

215 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)

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