Tokyo, Japan

Kiyoshi Kitagawa

This inventor holds 2 USPTO granted patents. Top assignees: Fujitsu Corporation, Kabushiki Kaisha Toyoda Jidoshokki Seisakusho. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Kitagawa. Retrieved from https://idiyas.com/inventor/kiyoshi-kitagawa-ea6zjo81

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 = 6.4

ph-index = 2

Forward Citations = 46(Granted Patents)


Location History:

  • Tokyo, JP (1988)
  • Kawasaki, JP (1988)

Company Filing History:


Years Active: 1988

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2 patents (USPTO):Explore Patents

Title: Kiyoshi Kitagawa: Innovator in Vehicle Control Systems

Introduction

Kiyoshi Kitagawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of vehicle control systems, particularly in the area of automatic transmissions. With a total of 2 patents, his work has had a meaningful impact on the efficiency and functionality of vehicles.

Latest Patents

One of Kitagawa's latest patents is an inching control system for a vehicle with automatic transmission. This invention relates to vehicles such as forklifts, where a hydraulic pump for driving the fork is powered by the same engine that provides motive power to the vehicle. The inching control allows for separate management of the motive system and the cargo handling system, which is crucial for operational efficiency. The control is activated by the operator through an inching pedal, addressing the issue of excessive clutch plate wear and ensuring a consistent relationship between the pedal's depression and the clutch's engagement.

Another significant patent is the forward/reverse drive controller for controlling rapid forward and reverse movements. This innovation enhances the operational capabilities of vehicles, making them more versatile and user-friendly.

Career Highlights

Throughout his career, Kiyoshi Kitagawa has worked with prominent companies, including Toyota Industries Corporation and Fujitsu Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in vehicle technology.

Collaborations

Kitagawa has collaborated with talented individuals such as Masaya Hyodo and Koji Niinomi. These partnerships have fostered a creative environment that has led to the development of innovative solutions in the automotive sector.

Conclusion

Kiyoshi Kitagawa's contributions to vehicle control systems exemplify the importance of innovation in enhancing operational efficiency. His patents reflect a deep understanding of the challenges faced in the industry and provide effective solutions. His work continues to influence the field of vehicle technology, paving the way for future advancements.

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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