Toyota, Japan

Hiroshi Arai

This inventor holds 27 USPTO granted patents, primarily in Automotive Technology. Top assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Nippondenso Co., Ltd., Nippon Soken, Inc.. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Arai. Retrieved from https://idiyas.com/inventor/hiroshi-arai

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 12

Forward Citations = 393(Granted Patents)


Location History:

  • Toyota, JA (1976 - 1977)
  • Aichi, JA (1977)
  • Ohbu, JP (1978)
  • Toyota, JP (1978 - 1987)

Company Filing History:


Years Active: 1976-1987

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Areas of Expertise:
Vehicle Warning Systems
Fuel Consumption Measurement
Seat Belt Devices
Inclinometers
Centralized Monitor System
Brake Lining Wear Warning
Anti-Skid Control
Electronic Monitor System
Mileage Indication
Automatic Transmission
Liquid Level Detection
Azimuth Determination
27 patents (USPTO):Explore Patents

Title: **Innovative Mind: The Patents of Hiroshi Arai**

Introduction

Hiroshi Arai is a distinguished inventor based in Toyota, Japan, known for his significant contributions to automotive technology. With an impressive portfolio of 27 patents, Arai's work reflects a deep commitment to innovation in the automotive industry, enhancing vehicle functionality and user experience.

Latest Patents

Among his latest achievements, Arai has developed an "Apparatus for housing electrical wiring extending between a vehicle door." This innovative device effectively facilitates the connection of electrical systems between a vehicle's door and body, using a system of pivot links that allow for smooth movement while maintaining the integrity of the electrical connections. This invention features grommets at both ends of the wiring, ensuring a secure connection to the vehicle's structures.

Another noteworthy patent is the "Inclinometer," a mechanism that accurately displays the inclination angle of a vehicle. This inclinometer employs a weight that rotates according to the vehicle's tilt, enhancing the performance of the drive unit by transmitting torque to indicate the vehicle's angle accurately. A key feature of this design is the incorporation of a zero-point adjusting mechanism, which allows for easy calibration and improved usability.

Career Highlights

Hiroshi Arai has significantly impacted his field through his tenure at Toyota Motor Corporation and Nippondenso Co., Ltd. His roles in these companies have allowed him to translate innovative concepts into practical applications, contributing to advancements in automotive design and functionality.

Collaborations

Throughout his career, Arai has collaborated with notable colleagues, including Akira Kuno and Yoshio Shinoda. These partnerships have fostered an environment of creative synergy, leading to the development of cutting-edge technologies in the automotive sector.

Conclusion

Hiroshi Arai's innovative spirit and dedication to enhancing automotive technology have made him a key figure in the industry. His extensive patent portfolio illustrates his ability to combine engineering expertise with creative problem-solving. As the automotive landscape continues to evolve, Arai's contributions are likely to remain influential, inspiring future generations of inventors and engineers.

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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