Okazaki, Japan

Koji Yamamoto

This inventor holds 13 USPTO granted patents and 5 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Fujitsu Ten Limited, Tokai Optical Co., Ltd.. Active years: 2008-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Yamamoto. Retrieved from https://idiyas.com/inventor/koji-yamamoto-n1a8kdkm

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

Calculating rank

% Patents Active = 76.9


Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Toyota, JP (2008)
  • Okazaki, JP (2012 - 2019)

Company Filing History:


Years Active: 2008-2019

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13 patents (USPTO):Explore Patents

Title: The Innovative Mind of Koji Yamamoto

Introduction

Koji Yamamoto is a renowned inventor based in Okazaki, Japan, recognized for his significant contributions to the field of hybrid vehicle technology. With a total of 13 patents to his name, Yamamoto has played a vital role in advancing automotive engineering and efficiency.

Latest Patents

Among his latest patents, Yamamoto has developed innovative methods for hybrid vehicle systems. One of his patents addresses an accelerator operating speed where, if it exceeds a quick depression threshold value, a start threshold is established that is lower than the selection threshold between single-drive and double-drive modes in electric vehicle (EV) drive mode. Additionally, another patent enhances hybrid vehicle performance by adjusting the start threshold in response to the torque history, ensuring a seamless transition between modes based on required torque levels.

Career Highlights

During his esteemed career, Koji Yamamoto has worked with prestigious companies such as Toyota Motor Corporation and Fujitsu Ten Limited. His experiences in these leading firms have equipped him with deep insights into automotive technology and innovation.

Collaborations

Throughout his journey, Yamamoto has collaborated with notable engineers and inventors, including Toshiya Hashimoto and Koji Hokoi. These partnerships have further enriched his work, allowing for the sharing of knowledge and expertise that culminates in groundbreaking inventions.

Conclusion

Koji Yamamoto's contributions to the automotive industry, particularly in the realm of hybrid vehicles, have marked him as a significant figure in the field of innovation. With his inventive spirit and commitment to advancing technology, he continues to inspire future generations of inventors and engineers.

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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