This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Toyota Jidosha Kabushiki Kaisha, Nara Institute of Science and Technology. Active years: 2012-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ikoma, JP (2012)
- Toyota, JP (2022)
Company Filing History:

Years Active: 2012-2025
Title: Hiroaki Kosaka: Innovator in Engine Control Technology
Introduction
Hiroaki Kosaka is a notable inventor based in Ikoma, Japan. He has made significant contributions to the field of engine control technology, holding a total of 4 patents. His work primarily focuses on improving the efficiency and performance of internal combustion engines.
Latest Patents
One of Kosaka's latest patents is an engine control device designed for engines that utilize hydrogen as fuel. This innovative control device features a processing circuit that adjusts the valve overlap amount by controlling the valve timing of both the intake and exhaust valves. The processing circuit is engineered to increase the valve overlap when the engine operates in high-load and high-rotation conditions, enhancing performance. Another significant patent involves an internal combustion engine and its controller. This invention includes a water injection axis and a fuel injection axis, with a specific cross-section that is parallel to the cylinder's central axis. In this design, the water and fuel axes intersect within the cylinder, optimizing the combustion process.
Career Highlights
Hiroaki Kosaka has worked with prominent organizations such as Toyota Motor Corporation and the Nara Institute of Science and Technology. His experience in these institutions has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Throughout his career, Kosaka has collaborated with esteemed colleagues, including Masaaki Uechi and Kazuya Sasaki. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Hiroaki Kosaka's contributions to engine control technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of internal combustion systems and a drive to improve their performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile