% Expired Patents = 69.2

Forward Citations = 89

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6 inventors (with patents filed for the assignee):

Keita Nakano (8 out of 33 patents)

Masato Yoshino (4 out of 36 patents)

Seiji Takahashi (1 out of 1 patent)

4. Makoto Nishikimi (1 out of 5 patents)

5. Koichi Okamura (1 out of 1 patent)

6. Koichi Hashida (1 out of 46 patents)

13 patents: Sort by Forward Citations

1. 7042117 - Power supply circuit for actuator of an on-board travel control device (2006-05-09),

2. 6782796 - Hydraulic pressure control valve and vehicle brake device using the same (2004-08-31),

3. 6732519 - Pressure holding valve and vehicle braking device using the same (2004-05-11),

4. 6715700 - Solenoid valve (2004-04-06),

5. 6655751 - Method of controlling vehicle hydraulic brake system (2003-12-02),

6. 6644760 - Hydraulic pressure control device and vehicle brake device using the same (2003-11-11),

7. 6522966 - Method of controlling vehicle hydraulic brake system (2003-02-18),

8. 6508523 - Control method for a coordinated regenerative brake system (2003-01-21),

9. 6505110 - Method for controlling brake system (2003-01-07),

10. 6502907 - Method of controlling hydraulic brake system for vehicle (2003-01-07),

11. 6464307 - Automotive hydraulic pressure brake system (2002-10-15),

12. 6371576 - Method of controlling a vehicle hydraulic brake system (2002-04-16),

13. 6312062 - Brake fluid pressure control device (2001-11-06),

Company Overview

Sumitomo (Sei) Brake Systems, Inc. specializes in the development and manufacturing of advanced braking systems for the automotive industry. With a focus on innovation, the company integrates cutting-edge technology to enhance vehicle safety and performance. Operating from its headquarters in Mie, Japan, Sumitomo (Sei) Brake Systems is committed to delivering high-quality products that meet the evolving demands of the global automotive market, ensuring reliability and efficiency in braking solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#10 in Mie

#3,752 in Japan

#45,081 in the World

Mie, Japan

Sumitomo (Sei) Brake Systems, Inc.

Forward Citations = 89

6 inventors:

Keita Nakano (8 out of 33 patents)

Masato Yoshino (4 out of 36 patents)

Seiji Takahashi (1 out of 1 patent)

4. Makoto Nishikimi (1 out of 5 patents)

5. Koichi Okamura (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sumitomo (Sei) Brake Systems, Inc.. Retrieved from https://idiyas.com/company/sumitomo-sei-brake-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]