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Shizuoka-Shi, Shizuoka, Japan

Aikawa Iron Works Co., Ltd.

USPTO Granted Patents = 28

CIPO Patents = 12

EPO Patents = 8

Forward Citations = 111

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32 inventors (with patents filed for the assignee):

Yoshihiko Aikawa (24 out of 24 patents)

Makoto Goto (2 out of 8 patents)

Tatsumi Hosaka (2 out of 2 patents)

4. Makoto Suzuki (2 out of 7 patents)

5. Shisei Goto (1 out of 23 patents)

6. Takaharu Noda (1 out of 11 patents)

7. Masaki Aikawa (1 out of 1 patent)

8. Tomoaki Koyanagi (1 out of 2 patents)

9. Hiroki Ohtake (1 out of 1 patent)

10. Minoru Ishida (1 out of 1 patent)

11. Masami Kashibo (1 out of 1 patent)

12. Munetaka Sonoda (1 out of 1 patent)

13. Hisashi Iwabuchi (1 out of 2 patents)

14. Mitsuhiro Sugino (1 out of 1 patent)

15. Takashi Onizaki (1 out of 1 patent)

28 patents: Sort by Forward Citations

1. 12467201 - Refiner (2025-11-11),

2. 12215462 - Refiner (2025-02-04),

3. 10385507 - Refiner beating method (2019-08-20),

4. 8926793 - Processes for preparing pulp and paper (2015-01-06),

5. 8181790 - Flotation apparatus (2012-05-22),

6. 7624939 - Kneader (2009-12-01),

7. 7121411 - Screen apparatus (2006-10-17),

8. 6969019 - Refiner and agitating apparatus for papermaking (2005-11-29),

9. 6923329 - Screen apparatus (2005-08-02),

10. 6811106 - Refiner (2004-11-02),

11. 6669028 - Cylindrical screen (2003-12-30),

12. 6494994 - Pulp heating apparatus (2002-12-17),

13. 6206204 - Screen apparatus (2001-03-27),

14. 6149015 - Screen apparatus for papermaking material (2000-11-21),

15. 6051103 - Paper-making screen apparatus (2000-04-18),

Aikawa Iron Works Co., Ltd. is a Japanese company specializing in industrial machinery and equipment. Established in 1944, the company has over 75 years of experience in providing innovative solutions for various industries such as steel, automotive, and energy. Aikawa Iron Works is committed to delivering high-quality products, cutting-edge technology, and exceptional customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

28 Patents

#1 in Shizuoka-Shi, Shizuoka

#2,359 in Japan

#22,547 in the World

Shizuoka-Shi, Shizuoka, Japan

Aikawa Iron Works Co., Ltd.

Forward Citations = 111

32 inventors:

Yoshihiko Aikawa (24 out of 24 patents)

Makoto Goto (2 out of 8 patents)

Tatsumi Hosaka (2 out of 2 patents)

4. Makoto Suzuki (2 out of 7 patents)

5. Shisei Goto (1 out of 23 patents)

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