Tokyo, Japan

Toshifumi Maehara

USPTO Granted Patents = 69 

 

Average Co-Inventor Count = 1.2

ph-index = 10

Forward Citations = 345(Granted Patents)

Forward Citations (Not Self Cited) = 331(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Iwatsuki, JA (1977)
  • Gyoda, JP (1978)
  • Chichibu, JP (1980 - 1981)
  • Hanzono, JP (1982)
  • Hanazono, JP (1982 - 1990)
  • Ohsato, JP (1990)
  • Osato, JP (1990)
  • Saitama, JP (1984 - 2001)
  • Chuo-ku, JP (2016)
  • Tokyo, JP (2000 - 2023)

Company Filing History:


Years Active: 1977-2023

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Areas of Expertise:
Disc Brake
Drum Brake
Friction Pad Assembly
Brake Apparatus
Hydraulic Brake Pressure
Traction Control System
Floating Caliper Disc Brake
Brake Fluid Pressure Control
Wedge Cam Brake
Automatic Clearance Adjustment
Anti-lock Control
Parking Brake Mechanism
69 patents (USPTO):Explore Patents

Title: Innovations of Toshifumi Maehara: A Pioneer in Disc Brake Technology.

Introduction

Toshifumi Maehara is an accomplished inventor based in Tokyo, Japan, known for his significant contributions to the mechanical engineering field, particularly in disc brake technology. With a remarkable portfolio consisting of 69 patents, Maehara stands out as a key figure in automotive safety innovations.

Latest Patents

Among his latest innovations is the floating-type disc brake. This design incorporates an outer pad positioned on the axially outer side relative to the rotor and an inner pad on the axially inner side. It features a unique fixing member that allows for axial movement of the inner pad while being securely attached to the vehicle body. Additionally, the yoke supported by the fixing member contributes to the outer pad's functionality. This innovative design includes an anchor to manage brake tangential force effectively during operation.

Maehara has also developed a disc brake specifically designed for railway vehicles. This patent includes several critical components such as a floating caliper, which is supported by a guide pin, along with various pressing arms and brake pads. The innovative caliper return mechanism ensures optimal functionality, while the rubber ring design enhances the durability of the system by restricting unwanted deformations.

Career Highlights

Toshifumi Maehara has had an impressive career, working with notable companies in the automotive sector. He has made significant strides at Akebono Brake Industry Co., Ltd. and Akebono Research and Development Centre Ltd., where his expertise in brake technology has propelled advancements in performance and safety.

Collaborations

Throughout his career, Maehara has collaborated with talented professionals such as Kazuhiro Yoshikawa and Satomi Okubo. These partnerships have facilitated a dynamic exchange of ideas, further enhancing the innovative output of their projects.

Conclusion

Toshifumi Maehara has established himself as a leading inventor in the field of disc brake technology, with a strong portfolio of 69 patents. His ongoing contributions are vital in enhancing vehicle safety and performance, making him a significant figure in the automotive industry. His work continues to influence future developments, showcasing a commitment to innovation and excellence.

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