Tsuchiura, Japan

Yoichi Iihoshi

This inventor holds 31 USPTO granted patents and 6 published patent applications and 5 EPO patents, primarily in Vehicle Control Systems. Top assignees: Hitachi, Ltd., Hitachi Astemo Ltd., Hitachi Automotive Systems, Ltd.. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Iihoshi. Retrieved from https://idiyas.com/inventor/yoichi-iihoshi

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

USPTO Granted Patents = 31 

% Patents Active = 51.6

 

Average Co-Inventor Count = 4.1

ph-index = 8

Forward Citations = 234(Granted Patents)


Location History:

  • Toyko, JP (2007)
  • Tsuchiura, JP (2003 - 2022)
  • Tokyo, JP (2007 - 2024)

Company Filing History:


Years Active: 2003-2025

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Areas of Expertise:
Vehicle Control Device
Driving Assistance Device
Internal Combustion Engine
Diagnostic Device
Emission Control
Vehicle Behavior Prediction
Engine Control Method
Energy Transfer Diagnosis
Cylinder Injection Engine
Moving Object Controller
Fuel Injection Control
Vehicle Diagnostic System
31 patents (USPTO):Explore Patents

Title: Innovations of Yoichi Iihoshi: Driving Assistance and Vehicle Behavior Prediction

Introduction

Yoichi Iihoshi, an inventive mind based in Tsuchiura, Japan, has made significant contributions to the field of automotive technology. With a remarkable portfolio of 28 patents, Iihoshi's work focuses on enhancing vehicle safety and operational efficiency through innovative driving assistance systems and predictive vehicle behavior technologies.

Latest Patents

Among his latest inventions, Iihoshi has developed a **Driving Assistance Device**, which intelligently controls a vehicle's speed based on the predicted traveling state of an approaching vehicle. This innovative device incorporates a traveling scene recognition unit that accurately assesses the distance until the preceding vehicle reaches an intersection. The determination unit analyzes the traveling scene at the intersection, while the calculation unit selects the relevant preceding vehicle prediction model from a recorded array, ultimately calculating the predicted behavior of the preceding vehicle to enhance safety.

Another significant contribution from Iihoshi includes a **System for Predicting Vehicle Behavior**. This system aims to improve efficiency by minimizing the number of required sensors and the amount of data needed for various vehicle control systems. Its versatile design allows it to be applicable in powertrain control systems, adaptive cruise control systems, and autonomous driving systems, enabling predictions related to preceding vehicles, surrounding vehicles, and the ego vehicle itself.

Career Highlights

Iihoshi has had a commendable career, with notable tenures at established companies such as Hitachi, Ltd. and Hitachi Astemo Ltd. His expertise in automotive technology has allowed him to lead projects that emphasize innovation and functionality, significantly impacting the development of advanced driving systems.

Collaborations

Throughout his career, Iihoshi has worked alongside esteemed colleagues, including Toshio Hori and Yoshikuni Kurashima. This collaboration has fostered an environment of knowledge sharing and collective innovation, leading to the creation of groundbreaking automotive technologies.

Conclusion

In summary, Yoichi Iihoshi exemplifies the spirit of innovation within the automotive industry. With his extensive experience and impressive patent portfolio, he continues to contribute to advancements in vehicle safety and technology, paving the way for smarter and more efficient driving solutions.

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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