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Fujisawa, Japan

Shiroki Corporation

USPTO Granted Patents = 212

CIPO Patents = 5

EPO Patents = 14

Trademarks = 2

Forward Citations = 829

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176 inventors (with patents filed for the assignee):

Hidehiko Fujioka (16 out of 18 patents)

Kenji Yamamoto (15 out of 118 patents)

Noriaki Maeda (13 out of 44 patents)

4. Naoki Hayashi (11 out of 113 patents)

5. Atsushi Muramatsu (9 out of 11 patents)

6. Nobumasa Higashi (9 out of 9 patents)

7. Kazutaka Sasaki (9 out of 17 patents)

8. Kimihiro Kinoshita (9 out of 11 patents)

9. Jun Makita (9 out of 9 patents)

10. Jiro Yoshihara (8 out of 8 patents)

11. Kenji Shimizu (7 out of 72 patents)

12. Kazuya Yokoyama (7 out of 8 patents)

13. Hiroaki Yamazaki (7 out of 54 patents)

14. Tomohiro Enokijima (7 out of 8 patents)

15. Shigenobu Ohsawa (7 out of 7 patents)

Core Competencies:

Clutch Unit

Vehicle Seat Slide Apparatus

Window Regulator

Reclining Device

Vehicle Door Frame

Deceleration Device

Slide Device

Vehicle Component Fastening Structure

Wire Type Window Regulator

Seat Rotating Device

Drive Device for Opening/Closing Body

Exterior Structure of Vehicle Door

212 patents: Sort by Forward Citations

1. 11708012 - Clutch unit for vehicle (2023-07-25),

2. 11614145 - Gear device (2023-03-28),

3. 11390192 - Slide device for vehicle seat (2022-07-19),

4. 11332047 - Slide device (2022-05-17),

5. 11292369 - Seat apparatus (2022-04-05),

6. 11279209 - Vehicle door glass elevating/lowering device, door frame assembly, vehicle door opening/closing member driving device, and vehicle door opening/closing member driving device assembling method (2022-03-22),

7. 11273690 - Door sash (2022-03-15),

8. 11251680 - Deceleration device (2022-02-15),

9. 11235683 - Vehicle seat slide apparatus (2022-02-01),

10. 11149802 - Clutch unit for vehicle (2021-10-19),

11. 11142104 - Reclining device (2021-10-12),

12. 11142098 - Vehicle seat slide apparatus (2021-10-12),

13. 11136810 - Window regulator and method of assembling the same (2021-10-05),

14. 11136809 - Window regulator and method of assembling the same (2021-10-05),

15. 11136803 - Window regulator and method of assembling the same (2021-10-05),

Shiroki Corporation is a leading automotive company based in Japan. With a history of over 80 years, we specialize in the design, development, and manufacturing of various automotive components and systems. Our expertise lies in metal stamping, welding, and assembly, serving major automobile manufacturers worldwide. We are committed to delivering high-quality products and innovative solutions to meet the ever-evolving needs of the automotive industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

212 Patents

#1 in Fujisawa

#661 in Japan

#3,890 in the World

Fujisawa, Japan

Shiroki Corporation

Forward Citations = 829

176 inventors:

Hidehiko Fujioka (16 out of 18 patents)

Kenji Yamamoto (15 out of 118 patents)

Noriaki Maeda (13 out of 44 patents)

4. Naoki Hayashi (11 out of 113 patents)

5. Atsushi Muramatsu (9 out of 11 patents)

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