Kazuo Uehara

This inventor holds 20 USPTO granted patents, primarily in Hydraulic Control Systems. Top assignees: Kabushiki Kaisha Komatsu Seisakusho, Komatsu Corporation. Active years: 1979-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Uehara. Retrieved from https://idiyas.com/inventor/kazuo-uehara

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

Calculating rank

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 136(Granted Patents)

Location History:

Kawasaki, JP (1993)
Kanagawa, JP (1997 - 1998)
Tokyo, JP (1979 - 1999)

Company Filing History:

18 out of 1,009

Kabushiki Kaisha Komatsu Seisakusho

Years Active: 1979-1999

Loading Chart...

Areas of Expertise:

Electric Hydraulic Hybrid Motor

Pressurized Fluid Supply System

Hydraulic Pressure Control

Pressure Compensating Valve

Hydraulic Control Apparatus

Variable Displacement Pump

Oil Hydraulic Piston Pump

Load-Sensing Control Valve

Off-Highway Equipment

Fluid Control Systems

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5927073 - Electric hydraulic hybrid motor (1999-07-27),

2. 5877577 - Electric hydraulic hybrid motor, control device and control method for (1999-03-02),

3. 5845678 - Pressurized fluid supply system (1998-12-08),

4. 5784885 - Pressurized fluid supply system (1998-07-28),

5. 5651390 - Pressurized fluid supply system (1997-07-29),

6. 5255705 - Hydraulic pressure control system (1993-10-26),

7. 5253672 - Hydraulic pressure control system (1993-10-19),

8. 5188147 - Pressure compensating type hydraulic valve (1993-02-23),

9. 4646622 - Hydraulic control apparatus (1987-03-03),

10. 4549466 - Split type oil hydraulic piston pump and pressurized oil feed circuit (1985-10-29),

11. 4517800 - Hydraulic control system for off-highway self-propelled work machines (1985-05-21),

12. 4473090 - Hydraulic power system for implement actuators in an off-highway (1984-09-25),

13. 4420937 - Hydraulic circuit for a variable displacement pump (1983-12-20),

14. 4306488 - Pressure-compensated directional control valve (1981-12-22),

15. 4248574 - Hydraulic control system for variable displacement pumps (1981-02-03),

Title: The Innovative Mind of Kazuo Uehara

Introduction: Kazuo Uehara is a pioneering inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kazuo Uehara holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of what is possible.

Career Highlights: With a career spanning over two decades, Uehara has worked with some of the leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Kazuo Uehara has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Kazuo Uehara's relentless pursuit of innovation and his passion for creating a better future through technology make him a true visionary in the world of inventions.

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]