Kobe, Japan

Toyoaki Sagawa

This inventor holds 7 USPTO granted patents. Top assignees: Kawasaki Jukogyo Kabushiki Kaisha, Mitsubishi Denki Kabushiki Kaisha. Active years: 1991-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyoaki Sagawa. Retrieved from https://idiyas.com/inventor/toyoaki-sagawa

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


% Patents Active = 85.7

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 105(Granted Patents)


Location History:

  • Kobe, JP (1991 - 2000)
  • Hyogo, JP (1993 - 2005)

Company Filing History:


Years Active: 1991-2005

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7 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Toyoaki Sagawa

Introduction

Toyoaki Sagawa is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of hydraulic control systems, holding a total of 7 patents. His work focuses on improving the efficiency and functionality of hydraulic control units.

Latest Patents

One of Sagawa's latest patents is a hydraulic controller designed to enhance a hydraulic control unit. This invention aims to prevent the occurrence of hunting and reduce the size of the hydraulic control unit. The hydraulic control unit is utilized in a multi-directional control valves-assembled type hydraulic control system that features a load sensing function. It includes a PLS port that is supplied with the maximum load pressure in the hydraulic control system. The compensator of the hydraulic control unit is equipped with a metering orifice that functions similarly to a check valve. Additionally, the compensator operates as a shuttle valve, allowing for constant adjustment of the pressure PLS.

Another notable invention is the joystick control actuator, which further showcases Sagawa's innovative approach to hydraulic systems.

Career Highlights

Throughout his career, Sagawa has worked with several notable companies, including Kawasaki Heavy Industries and Mitsubishi Electric Corporation. His experience in these organizations has contributed to his expertise in hydraulic technologies.

Collaborations

Sagawa has collaborated with talented individuals such as Yoshio Togashi and Kazuto Fujiyama, enhancing the innovative potential of his projects.

Conclusion

Toyoaki Sagawa's contributions to hydraulic control systems demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of hydraulic technologies and their applications.

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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