Toyoake, Japan

Masahiko Kato

This inventor holds 17 USPTO granted patents, primarily in Hydraulic Brake Systems. Top assignees: Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha, Nippon Soken, Inc.. Active years: 1984-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Kato. Retrieved from https://idiyas.com/inventor/masahiko-kato-2bi1fchl

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 7

Forward Citations = 134(Granted Patents)


Location History:

  • Okazaki, JP (1984 - 1985)
  • Nogaya, JP (1989)
  • Nukata, JP (1989)
  • Nagoya, JP (1984 - 1991)
  • Toyota, JP (1991)
  • Toyoake, JP (1991 - 1999)

Company Filing History:


Years Active: 1984-1999

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Areas of Expertise:
Hydraulic Brake Apparatus
Hydraulic Power Booster
Brake Fluid Reservoir
Active Silencer
Seat Belt Retractor
Engine Control System
Electric Cigar Lighter
Safety Devices
Automotive Technology
Brake Booster System
Tensioning Device
Automotive Braking
17 patents (USPTO):Explore Patents

Title: Masahiko Kato: Innovator in Hydraulic Brake Technology

Introduction

Masahiko Kato is a prominent inventor based in Toyoake, Japan, known for his significant contributions to hydraulic brake technology. With a total of 17 patents to his name, Kato has made a lasting impact in the automotive industry through his innovative designs and engineering solutions.

Latest Patents

One of Kato's latest inventions is a hydraulic brake apparatus for vehicles. This invention features a master cylinder with a cylinder body and a master piston that defines a pressure chamber ahead of the master piston and a power chamber behind it. A control piston is also included, which is designed to move in response to the master piston, thereby regulating the pressure within the system. The apparatus incorporates an auxiliary pressure source to pressurize brake fluid, generating a power pressure that assists in the operation of the brake pedal. The design includes a valve assembly that regulates the power pressure and ensures efficient braking performance.

Career Highlights

Throughout his career, Masahiko Kato has worked with notable companies such as Aisin Seiki and Toyota Motor Corporation. His experience in these leading automotive firms has allowed him to refine his skills and contribute to groundbreaking innovations in vehicle safety and performance.

Collaborations

Kato has collaborated with esteemed colleagues, including Michiharu Nishii and Yoshihisa Nomura. These partnerships have fostered a creative environment that has led to the development of advanced automotive technologies.

Conclusion

Masahiko Kato's work in hydraulic brake technology exemplifies the spirit of innovation in the automotive industry. His patents and collaborations continue to influence vehicle safety and performance, making him a key figure in modern engineering.

Profile summary based on public USPTO records.
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]
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