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For the Inventor, By the Inventor

Hirakata, Japan

Ryozo Aoyama

This inventor holds 3 USPTO granted patents. Top assignee: Kabushiki Kaisha Komatsu Seisakusho. Active years: 1976-1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryozo Aoyama. Retrieved from https://idiyas.com/inventor/ryozo-aoyama

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 2.6

ph-index = 2

Forward Citations = 11(Granted Patents)


Company Filing History:

goldMedal3 out of 1,009 
 
Kabushiki Kaisha Komatsu Seisakusho
 patents

Years Active: 1976-1977

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3 patents (USPTO):Explore Patents
1. 4033128 - Controls for a hydraulically driven vehicle (1977-07-05),
2. 4019321 - Controls for a hydraulically driven vehicle (1977-04-26),
3. 3990527 - Steering apparatus for a vehicle of the type having revolving upper body (1976-11-09),

Title: Ryozo Aoyama: Innovator in Hydraulic Vehicle Controls

Introduction

Ryozo Aoyama is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of hydraulic vehicle controls, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of hydraulically driven vehicles.

Latest Patents

Aoyama's latest patents include innovative designs for controls that enable precise directional movement in hydraulically driven vehicles. One of his patents describes a system that actuates a pilot change-over valve for directional control, allowing the vehicle to move forward or backward based on hydraulic pressure. Another patent outlines a control mechanism that facilitates leftward or rightward revolutions, incorporating a lever and pedals that can be operated simultaneously. This design simplifies the hydraulic pressure circuit by integrating the parking brake and motor controls.

Career Highlights

Ryozo Aoyama is currently employed at Kabushiki Kaisha Komatsu Seisakusho, a company known for its advancements in machinery and vehicle technology. His work has been instrumental in developing more efficient hydraulic systems for vehicles, contributing to the overall improvement of vehicle performance.

Collaborations

Aoyama has collaborated with notable coworkers such as Yukinobu Matsuda and Mitsuo Urushima. Their combined expertise has fostered innovation in hydraulic vehicle technology.

Conclusion

Ryozo Aoyama's contributions to hydraulic vehicle controls demonstrate his commitment to innovation in the automotive industry. His patents reflect a deep understanding of hydraulic systems and their applications in modern vehicles.

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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