Mishima, Japan

Kaoru Ohtsuka

This inventor holds 22 USPTO granted patents and 4 published patent applications and 7 EPO patents, primarily in Internal Combustion Engine Control. Top assignees: Toyota Jidosha Kabushiki Kaisha, Denso Corporation. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kaoru Ohtsuka. Retrieved from https://idiyas.com/inventor/kaoru-ohtsuka

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

Calculating rank
USPTO Granted Patents = 22 

% Patents Active = 50.0

 

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 120(Granted Patents)


Location History:

  • Susono, JP (1996)
  • Misima, JP (1999 - 2000)
  • Mishima, JP (2005 - 2021)

Company Filing History:


Years Active: 1996-2026

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Areas of Expertise:
Heat Pump System
Hybrid Vehicle Control
Internal Combustion Engine
Torque Control
Exhaust Gas Purification
Fuel Injection Timing
Catalyst Temperature Control
Vehicle Drive Unit
Inter-Cylinder Variation
Control Apparatus
Power System
Secondary Air Supply
22 patents (USPTO):Explore Patents

Title: The Innovative Journey of Kaoru Ohtsuka

Introduction

Kaoru Ohtsuka, an accomplished inventor based in Mishima, Japan, has made significant strides in the field of engine control technology. With a remarkable portfolio of 21 patents, he stands out as a key innovator in the automotive industry, particularly in the development of hybrid vehicles.

Latest Patents

Among his latest inventions, Ohtsuka has developed a control device for hybrid vehicles, which features a sophisticated transient operation controller. This controller is designed to manage engine operations effectively during transient periods, optimizing thermal efficiency despite fluctuating power outputs. Another notable patent is a control device for internal combustion engines, which enhances the functionality of cam switching devices, ensuring optimal performance across multiple cylinders. These innovations reflect Ohtsuka's commitment to improving engine performance and efficiency.

Career Highlights

Ohtsuka's career includes significant contributions to major automotive companies. He has worked with Toyota Motor Corporation and Denso Corporation, where he applied his expertise in engineering to drive technological advancements. His efforts in these roles have paved the way for numerous innovations that contribute to the performance and sustainability of modern vehicles.

Collaborations

Throughout his career, Ohtsuka has collaborated with prominent figures in the industry, including esteemed colleagues such as Shinichi Soejima and Hiroyuki Tanaka. These partnerships have facilitated the exchange of ideas and expertise, further enhancing the innovative capabilities within their teams.

Conclusion

Kaoru Ohtsuka's contributions to the field of automotive innovation are substantial and impactful. With a strong background in engineering and a keen focus on developing cutting-edge technology, he continues to be a driving force in the evolution of hybrid and internal combustion engine technology. His patents not only highlight his ingenuity but also signify the potential for future advancements in the automotive industry.

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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