Mie, Japan

Sumitomo (Sei) Brake Systems, Inc.


USPTO Granted Patents = 13

% Expired Patents = 69.2

Forward Citations = 89

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6 inventors (with patents filed for the assignee):

goldMedal Keita Nakano (8 out of 33 patents)

silverMedal Masato Yoshino (4 out of 36 patents)

bronzeMedal 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:

Sumitomo (SEI) Brake Systems, Inc. is a global automotive brake systems manufacturer. With a strong commitment to quality and innovation, the company has been providing advanced braking solutions to major automobile manufacturers worldwide. As a part of the Sumitomo Riko Group, SEI Brake Systems combines cutting-edge technology, engineering expertise, and customer-focused service to deliver reliable and efficient brake systems for a wide range of vehicles.
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USPTO Data Jan 1 1976 - Sep 29 2026

13 Patents

#10 in Mie

#3,742 in Japan

#44,950 in the World

Mie, JP
Mie, Japan
Forward Citations = 89

6 inventors:

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