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Daiwa Golf Co., Ltd.

USPTO Granted Patents = 43

Forward Citations = 2,762

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14 inventors (with patents filed for the assignee):

Yuichi Aizawa (14 out of 32 patents)

Kanji Iinuma (10 out of 42 patents)

Magoichi Yamada (9 out of 9 patents)

4. Shigeki Take (6 out of 7 patents)

5. Kunihiko Takahashi (6 out of 15 patents)

6. Yutaka Oku (5 out of 9 patents)

7. Koji Sato (2 out of 82 patents)

8. Yasumori Muta (2 out of 2 patents)

9. Akira Noguchi (1 out of 7 patents)

10. Akinori Sasamoto (1 out of 2 patents)

11. Mahito Kimura (1 out of 4 patents)

12. Harunobu Kusumoto (1 out of 1 patent)

13. Toshihiko Kanazawa (1 out of 1 patent)

14. Kazuaki Ando (1 out of 1 patent)

Core Competencies:

Golf Putter Head

Golf Club Head

Beryllium Face Plate

Golf Club Shaft

Golf Club Production

Golf Club Grip

Iron Club Head

Iron-Type Golf Club

Golf Club Manufacturing

Golf Equipment Innovation

Golf Club Design

Golf Technology

43 patents: Sort by Forward Citations

1. D369393 - Golf putter head (1996-04-30),

2. D368945 - Golf club head (1996-04-16),

3. D367905 - Golf club head (1996-03-12),

4. 5472201 - Golf club head and striking face (1995-12-05),

5. 5465968 - Golf clubhead having beryllium face plate (1995-11-14),

6. D363748 - Golf club head (1995-10-31),

7. D362481 - Golf club head (1995-09-19),

8. D362041 - Golf club head (1995-09-05),

9. D360444 - Golf club head (1995-07-18),

10. 5427373 - Shaft for golf club (1995-06-27),

11. 5419556 - Golf club head (1995-05-30),

12. 5411264 - Golf club head (1995-05-02),

13. D355010 - Golf club head (1995-01-31),

14. 5385767 - Golf club shaft and production method thereof (1995-01-31),

15. D354537 - Golf club head (1995-01-17),

Daiwa Golf Co., Ltd. is a leading manufacturer of golf equipment based in Japan. The company offers a wide range of high-quality golf clubs, bags, and accessories for golfers of all skill levels. With a focus on innovation and technology, Daiwa Golf is committed to producing top-of-the-line products that enhance performance and enjoyment on the golf course.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

43 Patents

#769 in Tokyo

#1,845 in Japan

#15,584 in the World

Daiwa Golf Co., Ltd.

Forward Citations = 2,762

14 inventors:

Yuichi Aizawa (14 out of 32 patents)

Kanji Iinuma (10 out of 42 patents)

Magoichi Yamada (9 out of 9 patents)

4. Shigeki Take (6 out of 7 patents)

5. Kunihiko Takahashi (6 out of 15 patents)

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