Shizuoka, Japan

Hirotaka Saitoh

This inventor holds 8 USPTO granted patents and 1 published patent application and 6 EPO patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2016-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Saitoh. Retrieved from https://idiyas.com/inventor/hirotaka-saitoh

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

USPTO Granted Patents = 8 

% Patents Active = 50.0

 

Average Co-Inventor Count = 3.5

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Susono, JP (2016)
  • Shizuoka-ken, JP (2017 - 2018)
  • Sunto-gun, JP (2019)
  • Mishima, JP (2021)

Company Filing History:


Years Active: 2016-2021

Loading Chart...
Loading Chart...
8 patents (USPTO):Explore Patents

Title: Hirotaka Saitoh: A Pioneer in Powertrain Innovation

Introduction

Hirotaka Saitoh, based in Shizuoka-ken, Japan, is an accomplished inventor with a remarkable portfolio of 8 patents. His contributions to the automotive industry, particularly in powertrain systems, have significantly advanced vehicle technology and efficiency.

Latest Patents

Saitoh's latest innovations include a cutting-edge powertrain system designed for modern vehicles. This system integrates various components such as an electric motor, battery, internal combustion engine, electric generator, and dual inverters for efficient energy conversion. The intelligent control device embedded within the system ensures optimal operation, notably by regulating the startup of the internal combustion engine based on pre-defined thresholds for battery charging rates and ripple currents.

Another significant patent by Saitoh pertains to an internal combustion engine equipped with an electronic control unit. This unit is capable of diagnosing the exhaust gas cleaning catalyst's performance and adjusting the supply of additives based on the operational temperature. Such innovations aim to enhance emission controls while maintaining efficiency and safety in engine performance.

Career Highlights

Hirotaka Saitoh has dedicated his career to innovation within the automotive sector, currently holding a position at Toyota Motor Corporation. His work has had a profound impact on the design and engineering of powertrain systems, driving the automotive industry towards greener solutions and more efficient technologies.

Collaborations

Throughout his career, Saitoh has collaborated with esteemed colleagues such as Koji Hagiwara and Yasushi Iwazaki. Their teamwork has fostered an environment of creativity and collaboration that has been instrumental in developing new technologies and patents that push the boundaries of conventional automotive engineering.

Conclusion

Hirotaka Saitoh exemplifies the innovative spirit of engineers driving the automotive industry forward. His numerous patents and ongoing contributions reflect a commitment to creating advanced systems that not only enhance performance but also promote environmental sustainability. As an inventor with a vision, Saitoh continues to inspire future generations of engineers and inventors in Japan and beyond.

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]
Loading…