Toyota, Japan

Takeshi Tomonaga

This inventor holds 7 USPTO granted patents and 3 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Aw Co., Ltd.. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Tomonaga. Retrieved from https://idiyas.com/inventor/takeshi-tomonaga

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


% Patents Active = 71.4

 

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 31(Granted Patents)


Location History:

  • Toyota, JP (2013 - 2020)
  • Nisshin, JP (2023)

Company Filing History:


Years Active: 2013-2025

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

Title: The Innovations of Takeshi Tomonaga

Introduction

Takeshi Tomonaga is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of motor technology, holding a total of seven patents. His work focuses on enhancing the efficiency and design of axial gap motors.

Latest Patents

One of his latest patents is for an axial gap motor with curved rotor and stator cores. In this design, the rotor includes multiple rotor cores fixed in a circumferential direction of a rotor base, while the stator comprises several stator cores fixed in a circumferential direction of a stator base. The end faces of each rotor core are opposed to the corresponding stator core, allowing for improved performance. Another notable patent involves a motor that features a rotor fixed to a rotary shaft and a stator arranged to surround the rotor with a radial gap. This motor design includes multiple rotor and stator sets stacked along the axis of the rotary shaft, enhancing its operational capabilities.

Career Highlights

Takeshi has worked with notable companies such as Toyota Motor Corporation and Aisin Aw Co., Ltd. His experience in these organizations has allowed him to develop innovative solutions in motor technology.

Collaborations

Throughout his career, Takeshi has collaborated with talented individuals, including Shinya Sano and Keiu Kanada. These partnerships have contributed to the advancement of his projects and patents.

Conclusion

Takeshi Tomonaga's contributions to motor technology through his patents and collaborations highlight his innovative spirit and dedication to engineering excellence. His work continues to influence the industry and inspire future advancements.

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…