Chigasaki, Japan

Yasuo Hirama

This inventor holds 5 USPTO granted patents. Top assignees: Ikeda Bussan Co. Ltd., Nissan Shatai Co., Ltd., Nissan Motor Company Limited. Active years: 1986-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Hirama. Retrieved from https://idiyas.com/inventor/yasuo-hirama

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 = 3.1

ph-index = 4

Forward Citations = 107(Granted Patents)


Location History:

  • Chigasaki, JP (1986 - 1991)
  • Kanagawa, JP (1989 - 1999)

Company Filing History:


Years Active: 1986-1999

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5 patents (USPTO):Explore Patents

Title: Innovations by Yasuo Hirama

Introduction

Yasuo Hirama is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of automotive design, particularly in the area of vehicle seating. With a total of five patents to his name, Hirama's work focuses on enhancing comfort and functionality in vehicular seating systems.

Latest Patents

One of his latest patents is the "Rotatable Vehicle Seat Assembly with Improved Latching Mechanism." This invention features a vehicle front seat that can be selectively rotated into either a forward or rearward position. The design includes a turntable unit that incorporates a stationary circular guide and a rotating disk. The rotating disk is equipped with a latching arm that engages with a locking through hole in the stationary guide. This mechanism allows for precise rotation adjustments and error absorption in the assembly.

Another significant patent is the "Vehicular Seat Lumbar Support Device." This device includes an adjustable spring structure within the seat, allowing for customizable support for the occupant's lower back. The arrangement is designed to enhance comfort during long periods of sitting by providing varying degrees of lumbar support.

Career Highlights

Hirama has worked with prominent companies such as Ikeda Bussan Co., Ltd. and Nissan Shatai Co., Ltd. His experience in these organizations has contributed to his expertise in automotive innovations.

Collaborations

Throughout his career, Yasuo Hirama has collaborated with talented individuals, including Tsutomu Aihara and Hiroaki Iwamoto. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.

Conclusion

Yasuo Hirama's contributions to automotive seating technology demonstrate his commitment to improving user comfort and functionality. His patents reflect a deep understanding of engineering principles and user needs in vehicle design.

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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