Hiroshima, Japan

Hirofumi Nishimura

This inventor holds 36 USPTO granted patents and 2 EPO patents, primarily in Hybrid Vehicle Control. Top assignees: Mazda Motor Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 1985-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Nishimura. Retrieved from https://idiyas.com/inventor/hirofumi-nishimura-6jxbwnlz

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

Calculating rank

% Patents Active = 94.4

 

Average Co-Inventor Count = 2.8

ph-index = 15

Forward Citations = 547(Granted Patents)


Location History:

  • Fuchu-cho, JP (2001 - 2002)
  • Hiroshima-ken, JP (2002)
  • Hiroshima, JP (1985 - 2022)

Company Filing History:


Years Active: 1985-2022

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Areas of Expertise:
Hybrid Vehicle
Fuel Control
Exhaust Purification
Direct Injection
Engine Control
Variable Valve Mechanism
Knock Control
Combustion Control
Catalyst Light-Off
Engine Speed Detection
Exhaust Gas Recirculation
36 patents (USPTO):Explore Patents

Title: **Hirofumi Nishimura: Innovator in Hybrid Vehicle Technology**

Introduction

Hirofumi Nishimura, a renowned inventor based in Hiroshima, Japan, has made significant contributions to the field of hybrid vehicle technology with a remarkable portfolio of 36 patents. His innovative work focuses on improving driving force control methods to enhance vehicular efficiency and performance.

Latest Patents

Nishimura's latest patents include a sophisticated **driving force control method and device for hybrid vehicles**. This invention effectively absorbs torque fluctuations from an engine while maintaining high energy efficiency. The driving force control device incorporates a Power Control Module (PCM) that identifies speed reduction ratios in driving force transmission mechanisms. It estimates the average torque output of the engine, assesses torque fluctuation components, and sets a counter-torque to diminish these fluctuations. Notably, this system is designed to adjust counter-torque output based on engine speed, ensuring optimization of performance in hybrid vehicles.

Career Highlights

Throughout his career, Hirfumi Nishimura has worked with prominent organizations such as Mazda Motor Corporation and Mitsubishi Denki Kabushiki Kaisha. His dedication to research and innovation in the automotive sector has positioned him as a key contributor to advancements in hybrid technology.

Collaborations

Nishimura has collaborated with notable colleagues including Youichi Kuji and Junichi Taga. Their combined efforts have fostered a creative environment that fuels innovative solutions in vehicle dynamics and energy efficiency.

Conclusion

Hirofumi Nishimura's innovative patents and impactful collaborations underscore his role as a leading inventor in the realm of hybrid vehicle technology. His work not only enhances vehicle performance but also plays a vital part in the ongoing transition toward more sustainable automotive 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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