Toyota, Japan

Yoshinobu Soga

This inventor holds 43 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 5 EPO patents, primarily in Hydraulic Control Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Aw Co., Ltd.. Active years: 1987-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshinobu Soga. Retrieved from https://idiyas.com/inventor/yoshinobu-soga

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

Calculating rank
USPTO Granted Patents = 43 

% Patents Active = 72.1


 

Average Co-Inventor Count = 3.0

ph-index = 12

Forward Citations = 449(Granted Patents)


Location History:

  • Susono, JP (1987 - 1999)
  • Toyota, JP (2002 - 2021)

Company Filing History:


Years Active: 1987-2021

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Hydraulic Control Unit
Vane Oil Pump
Automatic Transmission
Hydraulic Circuit
Oil Pressure Control
Continuously Variable Transmission
Power Transmission
Shift Control Device
Control Apparatus
Vehicle Transmission
Hydraulic Pressure Control
Transfer Device
43 patents (USPTO):Explore Patents

Title: **Yoshinobu Soga: Innovative Mind Behind Hydraulic Systems in Automotive Engineering**

Introduction

Yoshinobu Soga is a prominent inventor based in Toyota, Japan, known for his remarkable contributions to automotive technology. With a total of 43 patents to his name, Soga has made significant strides in developing hydraulic control systems and oil pumps that enhance vehicle performance and reliability.

Latest Patents

Among his latest patents, Soga has developed a hydraulic control unit for vehicle drive systems, which includes an automatic transmission and an oil pump device. This innovative system comprises a first and a second electromagnetic valve, various oil passages, and a manual valve that operates based on the vehicle operator's shifting device. This mechanism offers a versatile connection between oil passages, thereby improving the efficiency of vehicle transmission.

Additionally, he has designed a vane oil pump that focuses on optimizing back pressure supplied to vanes. The innovative pump features a rotor with slits, a unique housing structure with an inner cam surface, and a pressure adjusting device that allows for varying discharge pressures between pump units. The incorporation of a back pressure groove ensures effective oil distribution, enhancing operational efficiency.

Career Highlights

Yoshinobu Soga’s career has been marked by his work with leading automotive manufacturers, specifically Toyota Motor Corporation and Aisin Aw Co., Ltd. His experience in these companies has allowed him to harness his engineering skills and focus on innovations that address key challenges in vehicle design and functionality.

Collaborations

Throughout his career, Soga has collaborated with fellow innovators such as Masami Sugaya and Hiromitsu Nitani. These partnerships have contributed to the advancements of hydraulic technologies in the automotive industry and reflect the collaborative spirit that drives innovation forward.

Conclusion

Yoshinobu Soga continues to be a vital figure in automotive innovations, producing groundbreaking inventions that improve vehicle performance. His dedication to engineering excellence and collaboration with other talented professionals solidify his status as a leading inventor in the automotive field. As he continues to innovate, the impact of his work will undoubtedly influence future advancements in vehicle technology.

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]
Loading…