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Hiroshima, Japan

Gp Daikyo Corporation

USPTO Granted Patents = 17

% Expired Patents = 58.8

Forward Citations = 141

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31 inventors (with patents filed for the assignee):

Yoshihiro Takemoto (7 out of 10 patents)

Takahiro Tochioka (3 out of 22 patents)

Yutaka Miyahara (3 out of 4 patents)

4. Issei Harima (3 out of 5 patents)

5. Yoshifumi Iwata (3 out of 5 patents)

6. Yasumi Mototani (3 out of 3 patents)

7. Nobuyuki Homi (3 out of 6 patents)

8. Masaharu Okamura (2 out of 6 patents)

9. Chie Fukuhara (2 out of 3 patents)

10. Mitsuharu Kaneko (2 out of 6 patents)

11. Fumiya Mouri (2 out of 2 patents)

12. Takanobu Kamura (2 out of 9 patents)

13. Toshiki Miyachi (2 out of 4 patents)

14. Shoso Nishida (1 out of 29 patents)

15. Yoshihiro Akiyama (1 out of 10 patents)

17 patents: Sort by Forward Citations

1. 7182382 - Resin-made floor panel structure (2007-02-27),

2. 7131415 - Resin intake manifold for multicylinder engine (2006-11-07),

3. 7111894 - Automobile door structure (2006-09-26),

4. 6981860 - Apparatus for manufacturing synthetic resin hollow member incorporating an intermediate element therein (2006-01-03),

5. 6966592 - Resin-made floor panel structure (2005-11-22),

6. 6860526 - Coupling structure for a hollow body (2005-03-01),

7. 6814860 - Oil strainer (2004-11-09),

8. 6805398 - Structure of tail gate (2004-10-19),

9. 6793761 - Method of manufacturing oil strainer (2004-09-21),

10. 6782862 - Resin intake manifolds and manufacturing process thereof (2004-08-31),

11. 6604500 - Resin intake manifolds and manufacturing process thereof (2003-08-12),

12. 6571759 - Resin intake manifolds and manufacturing process thereof (2003-06-03),

13. 6494510 - Impact absorbing mechanism and bumper reinforcement having the mechanism (2002-12-17),

14. 6428730 - Method for manufacturing synthetic resin-made hollow member with intermediate element incorporated therein, and apparatus therefor (2002-08-06),

15. 6428699 - Oil strainer (2002-08-06),

GP Daikyo Corporation is a multinational company specializing in construction, engineering, and real estate development. With a strong presence in Japan and Southeast Asia, the company has successfully completed numerous projects in various sectors including residential, commercial, industrial, and infrastructure. GP Daikyo Corporation is committed to delivering high-quality, sustainable, and innovative solutions to meet the evolving needs of its clients.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

17 Patents

#29 in Hiroshima, 729-3431

#3,221 in Japan

#35,824 in the World

Hiroshima, Japan

Gp Daikyo Corporation

Forward Citations = 141

31 inventors:

Yoshihiro Takemoto (7 out of 10 patents)

Takahiro Tochioka (3 out of 22 patents)

Yutaka Miyahara (3 out of 4 patents)

4. Issei Harima (3 out of 5 patents)

5. Yoshifumi Iwata (3 out of 5 patents)

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