For the Inventor, By the Inventor

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Fujikura Composites, Inc.

USPTO Granted Patents = 13

EPO Patents = 1

Trademarks = 20

Forward Citations = 7

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15 inventors (with patents filed for the assignee):

Masaki Takahashi (6 out of 34 patents)

Yuka Amamori (3 out of 3 patents)

Hiroshi Sakama (3 out of 9 patents)

4. Osamu Kanazawa (3 out of 4 patents)

5. Kenzo Miyamori (3 out of 3 patents)

6. Yoshihito Kogawa (2 out of 7 patents)

7. Keigo Takahashi (2 out of 2 patents)

8. Tsutomu Narita (2 out of 8 patents)

9. Masaki Wakabayashi (1 out of 14 patents)

10. Yuki Yuasa (1 out of 1 patent)

11. Keita Kikuchi (1 out of 1 patent)

12. Kahori Matsuda (1 out of 1 patent)

13. Toshikazu Shirose (1 out of 1 patent)

14. Nobuyasu Harashima (1 out of 2 patents)

15. Masahiro Seshimo (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 12191515 - Metal-air battery and method of using the same (2025-01-07),

2. 11973240 - Metal-air battery and method of using the same (2024-04-30),

3. 11873847 - Cylinder device (2024-01-16),

4. 11646454 - Liquid detection sensor (2023-05-09),

5. 11644051 - Cylinder device (2023-05-09),

6. 11462806 - Metal-air battery and method of using the same (2022-10-04),

7. 11253754 - Golf club and connecting member for golf club shaft and golf club head (2022-02-22),

8. 11148016 - Golf club and combining member of golf club shaft and golf club head (2021-10-19),

9. 11133565 - Metal-air battery and method of using the same (2021-09-28),

10. 10927864 - Fluid cylinder (2021-02-23),

11. 10906263 - Composite molding and method of manufacturing the same (2021-02-02),

12. 10826061 - Metal-air battery and method for removing oxide film (2020-11-03),

13. 10704700 - Check valve structure (2020-07-07),

Fujikura Composites, Inc. is a leading manufacturer of high-performance golf shafts, supplying top players with cutting-edge technology. With a reputation for innovation and quality, Fujikura continues to push the boundaries of golf shaft design.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

13 Patents

#1,452 in Tokyo

#3,660 in Japan

#43,712 in the World

Fujikura Composites, Inc.

Forward Citations = 7

15 inventors:

Masaki Takahashi (6 out of 34 patents)

Yuka Amamori (3 out of 3 patents)

Hiroshi Sakama (3 out of 9 patents)

4. Osamu Kanazawa (3 out of 4 patents)

5. Kenzo Miyamori (3 out of 3 patents)

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