Hiroshima, Japan

Koji Ueda

This inventor holds 36 USPTO granted patents and 1 published patent application and 30 EPO patents, primarily in Hydraulic Control Systems. Top assignees: Kobelco Construction Machinery Co., Ltd., Kobe Steel, Ltd., Kobelco Construction Machinery. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Ueda. Retrieved from https://idiyas.com/inventor/koji-ueda-21bk6xef

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

USPTO Granted Patents = 36 

% Patents Active = 80.6

 

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 183(Granted Patents)


Company Filing History:


Years Active: 1996-2026

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Areas of Expertise:
Hydraulic Control Device
Construction Machine
Slewing Drive Apparatus
Drive Device
Hydraulic Circuit
Boom Driving Apparatus
Hybrid Construction Machine
Rotation Control Device
Hydraulic Shovel
Relief Pressure Switching
Hydraulic Controller
Work Machine
36 patents (USPTO):Explore Patents

Title: The Innovative Mind of Koji Ueda: A Pioneer in Hydraulic Technology

Introduction: Koji Ueda, a highly skilled inventor based in Hiroshima, Japan, boasts an impressive portfolio of 33 patents. His inventions primarily focus on hydraulic systems for work machines, demonstrating his expertise and commitment to innovation in the field.

Latest Patents: Among his recent contributions to technology, Ueda holds patents for a "Hydraulic Control Device for Work Machine" and a "Drive Device for Hydraulic Cylinder in Work Machine." The hydraulic control device includes a flow-path selector valve that facilitates dual operational states, effectively managing the flow paths between two pumps for enhanced performance. Furthermore, the drive device enhances safety by preventing impacts at the stroke end of hydraulic cylinders, utilizing advanced command input and detection systems to halt piston movement before reaching the stroke limit.

Career Highlights: Throughout his career, Koji Ueda has significantly influenced the construction machinery industry through his work with esteemed companies such as Kobelco Construction Machinery Co., Ltd. and Kobe Steel, Ltd. His innovative spirit and technical acumen have led to the development of groundbreaking technologies that continue to benefit various engineering applications.

Collaborations: Ueda has collaborated with notable colleagues, including Koji Yamashita and Kazuharu Tajima, contributing to an environment of shared knowledge and expertise that fosters continuous improvement in hydraulic technologies.

Conclusion: Koji Ueda's contributions to hydraulic innovation highlight his role as a leading inventor in the field. His patents not only address current industry needs but also pave the way for future advancements in construction machinery technology. His dedication to innovation continues to inspire engineers and inventors alike.

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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