Okazaki, Japan

Kiyoharu Takagi

This inventor holds 25 USPTO granted patents and 1 EPO patent, primarily in Automatic Transmission Technology. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 1990-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoharu Takagi. Retrieved from https://idiyas.com/inventor/kiyoharu-takagi

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


% Patents Active = 52.0

 

Average Co-Inventor Count = 1.7

ph-index = 6

Forward Citations = 157(Granted Patents)


Location History:

  • Aichi-ken, JP (2002)
  • Okazaki, JP (1990 - 2018)

Company Filing History:


Years Active: 1990-2018

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Areas of Expertise:
Automatic Transmission
Hydraulic Control
Pressure Management
Vehicular Systems
Torque Converter
Hydraulic Accumulator
Control Apparatus
Transmission Device
Hydraulic Pressure
Standby Oil Pressure
Control System
Transmission Circuit
25 patents (USPTO):Explore Patents

Title: Kiyoharu Takagi - Innovator in Automotive Transmission Technology

Introduction

Kiyoharu Takagi, based in Okazaki, Japan, is a prominent inventor known for his significant contributions to automotive transmission technology. With an impressive portfolio of 25 patents, Takagi has established himself as a key figure in the field of innovation, particularly within his role at Aisin Seiki Co., Ltd.

Latest Patents

Takagi's latest patents showcase his ingenuity in developing automatic transmission devices for vehicles. One notable patent describes an automatic transmission device that incorporates multiple planetary gear mechanisms, engaging elements, and shafts to provide nine forward speeds and one reverse speed, optimizing vehicle performance. Another patent presents an automatic transmission system that effectively utilizes a combination of clutches and braking mechanisms to enable smooth transitions between driving speeds, further enhancing automotive operational efficiency.

Career Highlights

Throughout his career at Aisin Seiki Co., Ltd, Takagi has been instrumental in advancing automotive technology. His innovative approach to transmission systems has led to the development of multiple patents that are pivotal in revolutionizing vehicle performance and efficiency. The complexities of his designs reflect a deep understanding of engineering principles and an unwavering commitment to innovation in the automotive sector.

Collaborations

Kiyoharu Takagi has collaborated with esteemed colleagues such as Atsuhiro Mase and Hideki Nakamura at Aisin Seiki. Together, they have driven forward groundbreaking projects that underscore their collective expertise in automotive engineering and innovation. Their teamwork exemplifies the collaborative spirit essential for technological advancement in today's competitive landscape.

Conclusion

In conclusion, Kiyoharu Takagi remains a significant contributor to the field of automotive technology through his patents and innovative designs. His work, particularly in automatic transmission systems, highlights his dedication to enhancing vehicle performance. As the automotive industry continues to evolve, Takagi's innovations will undoubtedly play a critical role in shaping the future of transportation.

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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