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For the Inventor, By the Inventor

Hiroshima, Japan

Shigefumi Hirabayashi

This inventor holds 19 USPTO granted patents, primarily in Automotive Technology. Top assignee: Mazda Motor Corporation. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigefumi Hirabayashi. Retrieved from https://idiyas.com/inventor/shigefumi-hirabayashi

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

USPTO Granted Patents = 19

% Patents Active = 73.7

Average Co-Inventor Count = 3.1

ph-index = 13

Forward Citations = 580(Granted Patents)


Location History:

  • Aki-Gun, JP (2004)
  • Hiroshima, JP (1989 - 2007)
  • Hiroshima-ken, JP (1996 - 2007)

Company Filing History:

goldMedal19 out of 4,753 
 
Mazda Motor Corporation
 patents

Years Active: 1989-2007

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Areas of Expertise:
Vehicle Body
Audio System
Information Provision
Control Gain
Map Information
Remote Troubleshooting
Mobile Processing
Navigation Apparatus
Suspension System
Steering Control
Automatic Transmission
Four-Wheel Steering
19 patents (USPTO):Explore Patents
1. 7243984 - Floor panel structure of vehicle body (2007-07-17),
2. 7158842 - Audio system and its contents reproduction method, audio apparatus for a vehicle and its contents reproduction method, computer program product and computer-readable storage medium (2007-01-02),
3. 7135993 - On-vehicle information provision apparatus (2006-11-14),
4. 6937732 - AUDIO SYSTEM AND ITS CONTENTS REPRODUCTION METHOD, AUDIO APPARATUS FOR A VEHICLE AND ITS CONTENTS REPRODUCTION METHOD, PORTABLE AUDIO APPARATUS, COMPUTER PROGRAM PRODUCT AND COMPUTER-READABLE STORAGE MEDIUM (2005-08-30),
5. 6912452 - System and method for providing control gain of vehicle (2005-06-28),
6. 6882911 - Vehicle service support system, server, method, and program (2005-04-19),
7. 6738711 - System for distributing map information and the like (2004-05-18),
8. 6678591 - Server for remote vehicle troubleshooting and the like (2004-01-13),
9. 6675089 - Mobile information processing system, mobile information processing method, and storage medium storing mobile information processing program (2004-01-06),
10. 6462674 - COMMUNICATION APPARATUS AND ITS CURRENT POSITION COMMUNICATION METHOD, NAVIGATION APPARATUS FOR A VEHICLE AND ITS INFORMATION COMMUNICATION METHOD, COMPUTER PROGRAM PRODUCT, AND COMPUTER-READABLE STORAGE MEDIUM (2002-10-08),
11. 5540299 - System for driving an automotive vehicle (1996-07-30),
12. 5521823 - Learning control vehicle (1996-05-28),
13. 5351985 - Suspension system for automotive vehicles (1994-10-04),
14. 5316098 - System for steering rear wheels of an automotive vehicle (1994-05-31),
15. 5176399 - Suspension apparatus of automotive vehicle (1993-01-05),

Title: Innovations in Automotive Technology: The Contributions of Shigefumi Hirabayashi

Introduction

Shigefumi Hirabayashi is a prominent inventor based in Hiroshima-ken, Japan, recognized for his significant contributions to automotive technology. With a total of 19 patents to his name, he has made noteworthy advancements that enhance vehicle design and functionality. His inventions reflect a commitment to improving user experience and operational efficiency within the automotive industry.

Latest Patents

Among Hirabayashi's latest inventions is a floor panel structure of a vehicle body. This innovative design incorporates a floor panel coupled to various frame members that stretch in the longitudinal and width directions of the vehicle. The design features a panel area enclosed by these frame members, with a heavy-weight area situated centrally within the panel area, surrounded by a peripheral area. This strategic arrangement reduces the vibration energy transmitted from the frame members to the floor panel, thereby diminishing the acoustic emissions generated from the floor.

Additionally, Hirabayashi has developed an audio system comprising both car-mounted and portable audio devices that communicate wirelessly to transmit and receive content data, such as music. This system utilizes a short-distance data communication method, enabling the devices to recognize, authenticate, and exchange information seamlessly.

Career Highlights

Shigefumi Hirabayashi's career is closely associated with Mazda Motor Corporation, where he has been instrumental in pushing the boundaries of automotive engineering. His dedication to innovation has propelled the development of vehicle components that prioritize user comfort and entertainment. The impact of his work can be seen in the advanced features present in modern vehicles today.

Collaborations

During his career, Hirabayashi has had the opportunity to collaborate with talented individuals such as Hiroshi Ohmura and Shin Takehara. Together, they have worked on various projects that contribute to the continuous evolution of automotive technology, showcasing how teamwork can lead to groundbreaking innovations.

Conclusion

Shigefumi Hirabayashi exemplifies the spirit of innovation within the automotive sector. His extensive patent portfolio and collaborative efforts underline the importance of invention in creating improved vehicle designs and functionalities. As the automotive industry continues to evolve, Hirabayashi's contributions will surely influence future developments, ensuring that technological advancements align with consumer needs and preferences.

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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