Yokohama, Japan

Atsufumi Ishimoto

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Hitachi Automotive Systems, Ltd.. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsufumi Ishimoto. Retrieved from https://idiyas.com/inventor/atsufumi-ishimoto

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Atsufumi Ishimoto: Innovator in Shock Absorber Technology

Introduction

Atsufumi Ishimoto is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of shock absorbers. His innovative designs have the potential to enhance vehicle performance and safety.

Latest Patents

Atsufumi Ishimoto holds a patent for a shock absorber that features a unique design. The shock absorber includes a first passage and a second passage that are in communication with each other. This configuration allows a working fluid to flow between two chambers based on the movement of a piston. Additionally, the device incorporates a passage area adjustment mechanism that modifies the passage area of the second passage depending on the position of a piston rod. This design offers both maximum length-side and minimum length-side properties, optimizing damping forces during vehicle operation.

Career Highlights

Atsufumi Ishimoto is currently employed at Hitachi Automotive Systems, Ltd. His work at this esteemed company has allowed him to focus on innovative automotive solutions. His expertise in shock absorber technology has positioned him as a key contributor to advancements in vehicle dynamics.

Collaborations

Throughout his career, Atsufumi has collaborated with talented individuals such as Mikio Yamashita and Fumiyuki Yamaoka. These collaborations have fostered a creative environment that encourages the development of cutting-edge automotive technologies.

Conclusion

Atsufumi Ishimoto's contributions to shock absorber technology exemplify his commitment to innovation in the automotive industry. His patent and work at Hitachi Automotive Systems, Ltd. highlight his role as a significant inventor in this field.

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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