Toyota, Japan

Yasuyoshi Yasui

This inventor holds 16 USPTO granted patents, primarily in Automotive Transmission Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1980-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyoshi Yasui. Retrieved from https://idiyas.com/inventor/yasuyoshi-yasui

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 = 2.0

ph-index = 10

Forward Citations = 192(Granted Patents)


Company Filing History:


Years Active: 1980-1993

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Areas of Expertise:
Constant Velocity Joint
Limited Slip Differential
Differential Gear Unit
Final Reduction Gear
Transmission Mechanism
Lubricating Device
Manual Transmission
Transmission Gears
Shift Fork
Power Transmission Unit
Detent Mechanism
Lubrication System
16 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Yasuyoshi Yasui in Automotive Engineering**

Introduction

Yasuyoshi Yasui, an esteemed inventor based in Toyota, Japan, has made significant contributions to the field of automotive engineering. With a portfolio of 16 patents, Yasui has been at the forefront of innovations that enhance vehicle performance and technology. His work primarily focuses on the development of mechanisms that optimize the efficiency and reliability of automotive components.

Latest Patents

Among his latest inventions is the "Sliding type constant velocity universal joint having regulating device." This innovative design involves an outside member connected to a first shaft, featuring three grooves that allow for smooth operation when connected to an inside member linked to a second shaft. The design incorporates roller shafts that make contact with the grooves, ensuring consistent performance as the shafts rotate at varying angles. Additionally, Yasui's patent for a "limited slip differential" introduces advanced mechanisms for improving the differential function in vehicles. This technology involves a combination of spiral bevel gears and a frictional force generator, which work together to limit excessive differential motion, enhancing vehicle stability and control.

Career Highlights

Yasuyoshi Yasui has had a remarkable career with notable affiliations at companies such as Toyota Jidosha Kabushiki Kaisha and Toyota Jidosha Kogyo Kabushiki Kaisha. Through his time in these organizations, he has not only contributed to the development of cutting-edge automotive technologies but has also laid the groundwork for further innovations within the industry.

Collaborations

Throughout his career, Yasui has collaborated with brilliant minds, including fellow inventors Masaki Inui and Yoshio Sanui. These partnerships have been instrumental in driving forward the research and development efforts that culminate in the high-performance automotive technologies we see today.

Conclusion

Yasuyoshi Yasui's innovative spirit and dedication to advancing automotive technology have solidified his position as a key inventor in the industry. With a of 16 patents under his belt, his work continues to influence the design and functionality of vehicles, paving the way for future innovations in automotive engineering. As technologies evolve, Yasui's contributions will undoubtedly remain significant in the ever-changing landscape of the automotive sector.

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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