Utsunomiya, Japan

Tomofumi Ikematsu

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomofumi Ikematsu. Retrieved from https://idiyas.com/inventor/tomofumi-ikematsu

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


 

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 2006

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2 patents (USPTO):Explore Patents

Title: The Innovations of Tomofumi Ikematsu

Introduction

Tomofumi Ikematsu, an accomplished inventor based in Utsunomiya, Japan, has made significant contributions to the field of automotive technology. With two patents to his name, his inventions focus on enhancing the efficiency and functionality of vehicle power systems.

Latest Patents

Ikematsu's latest patents showcase his innovative approach to engineering. The first patent is a hydraulic control device for valve trains of engines. This device allows for the optional deactivation of engine cylinders by applying oil pressure to the valve train. It effectively suspends the operations of associated intake and exhaust valves, thereby improving fuel efficiency. This hydraulic control device consists of multiple rocker shafts equipped with hydraulic passages and sets of hydraulic circuits, along with oil pressure measuring sections to monitor the performance of each hydraulic circuit.

The second patent is a hybrid vehicle design that utilizes both an engine and a motor for power generation. This vehicle can operate in either engine cruise mode, driven solely by the engine, or motor cruise mode, driven solely by the motor. The innovative clutch section allows for a seamless transition between these modes, providing flexibility in driving options. The control section plays a crucial role in managing the engagement of the clutch during mode switches to ensure smooth operation.

Career Highlights

Tomofumi Ikematsu is currently employed at Honda Giken Kogyo Kabushiki Kaisha, a company renowned for its pioneering work in automotive engineering. His dedication and expertise in developing advanced vehicle technologies have made him a valuable asset to the organization.

Collaborations

Ikematsu has had the opportunity to collaborate with esteemed colleagues such as Yusuke Tatara and Tetsuya Hasebe. These partnerships reflect a commitment to innovation and teamwork, fostering an environment where groundbreaking ideas can thrive.

Conclusion

In conclusion, Tomofumi Ikematsu's contributions to the field of automotive technology are noteworthy. His patents, particularly in hydraulic control devices and hybrid vehicles, represent significant advancements in engineering. As he continues to work with Honda Giken Kogyo Kabushiki Kaisha, the impact of his innovations is sure to resonate in the automotive industry for years to come.

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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