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Yokohama, Japan

Yorozu Corporation

USPTO Granted Patents = 30

% Expired Patents = 20.0

EPO Patents = 16

Trademarks = 1

Forward Citations = 192

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61 inventors (with patents filed for the assignee):

Masaharu Matsumoto (4 out of 13 patents)

Tomo Tsuchida (3 out of 3 patents)

Masaki Ueno (3 out of 3 patents)

4. Akira Narita (2 out of 2 patents)

5. Koji Matsuda (2 out of 2 patents)

6. Yutaka Kuroi (2 out of 2 patents)

7. Masaharu Ishizuki (2 out of 6 patents)

8. Shinji Kawano (2 out of 4 patents)

9. Keiji Nakahara (2 out of 2 patents)

10. Shunzo Aoyama (2 out of 9 patents)

11. Yasushi Kanno (2 out of 2 patents)

12. Hiroshi Maeda (2 out of 3 patents)

13. Kunihiko Hidaka (2 out of 9 patents)

14. Akihiko Sakazaki (2 out of 3 patents)

15. Hiroshi Kimura (2 out of 91 patents)

30 patents: Sort by Forward Citations

1. 12611902 - Suspension structure for vehicle and method of manufacturing the same (2026-04-28),

2. 12454161 - Method for manufacturing vehicle suspension arm and vehicle suspension arm (2025-10-28),

3. 12097743 - Suspension structure for vehicle and method of manufacturing the same (2024-09-24),

4. 10730153 - Attaching device (2020-08-04),

5. 10596870 - Vehicular arm component manufacturing method and vehicular arm component (2020-03-24),

6. 10576526 - Workpiece conveying system, and workpiece conveying method (2020-03-03),

7. 10343204 - Press molding and manufacturing method therefor (2019-07-09),

8. 10300950 - Suspension member and method for manufacturing same (2019-05-28),

9. 10265762 - Cast-in structure and cast-in mold for vehicle component (2019-04-23),

10. 10202012 - Suspension link and production method therefor (2019-02-12),

11. 10119588 - Rolled collar, rolled collar manufacturing apparatus, and rolled collar manufacturing method (2018-11-06),

12. 10112455 - Torsion beam suspension (2018-10-30),

13. 9895950 - Torsion beam suspension (2018-02-20),

14. 9846447 - Hollow operating lever and method for manufacturing same (2017-12-19),

15. 9452650 - Vehicular arm component and manufacturing method the same (2016-09-27),

Yorozu Corporation is a leading global manufacturer in automotive suspension systems and related products. With a history spanning over 70 years, the company designs and produces a wide range of high-quality components for various automotive manufacturers worldwide. Yorozu's expertise lies in its innovative approach, advanced engineering capabilities, and commitment to delivering reliable and sustainable solutions. Their products include coil springs, stabilizer bars, suspension arms, and more. As an industry pioneer, Yorozu Corporation continuously strives for excellence and customer satisfaction.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Yorozu Corporation

30 Patents

#44 in Yokohama

#2,302 in Japan

#21,816 in the World

Yokohama, Japan

Yorozu Corporation

Forward Citations = 192

61 inventors:

Masaharu Matsumoto (4 out of 13 patents)

Tomo Tsuchida (3 out of 3 patents)

Masaki Ueno (3 out of 3 patents)

4. Akira Narita (2 out of 2 patents)

5. Koji Matsuda (2 out of 2 patents)

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