Tokyo, Japan

Ryuzo Yagishita

This inventor holds 2 USPTO granted patents. Top assignee: Nambu Co., Ltd. Active years: 2001-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuzo Yagishita. Retrieved from https://idiyas.com/inventor/ryuzo-yagishita

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2001-2006

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2 patents (USPTO):Explore Patents

Title: **Ryuzo Yagishita: Innovator in Actuator Technology**

Introduction

Ryuzo Yagishita, based in Tokyo, Japan, is a notable inventor recognized for his contributions to actuator technology. With a total of 2 patents to his name, he has developed innovative solutions that enhance the functionality and efficiency of mechanical systems.

Latest Patents

One of Yagishita's significant inventions is the **Composite Operation Type Actuator**. This device integrates a cylinder chamber from a direct-acting actuator with an oscillating actuator through a sequence valve featuring a check valve. This configuration allows for both ordinary reciprocating motion and combined rotational and advancement movements of the piston rod.

Another notable patent is the **Cylinder Apparatus**, which consists of a cylinder divided into front and rear chambers. This design utilizes primary and secondary pistons that work together to manage fluid flow through a communicating passageway, controlled by a switchable relief valve, thereby improving operational efficiency.

Career Highlights

Ryuzo Yagishita is currently affiliated with **Nambu Co., Ltd.**, a company dedicated to advancements in mechanical systems. His experience and expertise in actuator technology have established him as a leading figure in his field.

Collaborations

Throughout his career, Yagishita has collaborated with esteemed colleagues such as Kazuki Matsumoto and Kazushi Nomura. These partnerships have contributed to the successful development of his patented technologies, combining their knowledge and skills to push the boundaries of innovation.

Conclusion

Ryuzo Yagishita has made significant strides in the field of actuator technology through his innovative patents. His work not only showcases his commitment to advancing engineering solutions but also exemplifies the collaborative spirit vital in the pursuit of technological advancements. The future looks promising as he continues to contribute to this essential industry.

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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