Masatoshi Hidaka

Title: The Innovations of Masatoshi Hidaka: A Visionary in Internal Combustion Engine Technology

Introduction

Masatoshi Hidaka, an accomplished inventor from Higashihiroshima, Japan, has made significant contributions to the field of internal combustion engines. With a total of seven patents to his name, Hidaka's work has greatly influenced engine design and efficiency, driving advancements within the automotive industry.

Latest Patents

Hidaka's latest patents showcase his innovative approach to improving internal combustion engines. One noteworthy patent details a mechanism that enables variable phase adjustments of intake and exhaust camshafts. This innovation allows for optimized valve overlap, crucial in enhancing engine performance. Specifically, the patent describes parameters such as an intake cam lobe design permitting an open period of the intake valve between 210° and 330° of crank angle. Such intricate engineering ensures efficient exhaust valve lifting and maximizes the swept volume in each cylinder.

Another significant contribution is his patent regarding the control logic of a compression-ignition engine. This method involves precise control over the gas-fuel ratio and air-fuel ratio to achieve a lean combustion process. The technique enhances engine performance by allowing an unburnt mixture gas to combust efficiently within the combustion chamber after being ignited by the ignition plug. Crucial steps within this methodology include determining the geometric compression ratio and the intake valve close timing, showcasing Hidaka's significant technical expertise.

Career Highlights

Hidaka's professional journey is deeply intertwined with Mazda Motor Corporation, where he has been instrumental in developing groundbreaking technologies. His expertise in engine mechanics and design has been pivotal in shaping Mazda’s reputation for innovation and quality in the automotive sector.

Collaborations

Throughout his career, Hidaka has worked closely with talented colleagues such as Masanari Sueoka and Kazuhiro Nagatsu. Together, they have collaborated on projects that leverage their combined knowledge and skills, resulting in innovative solutions for modern-day automotive challenges.

Conclusion

Masatoshi Hidaka’s contributions to internal combustion engine technology are both profound and lasting. His seven patents not only reflect his innovative spirit but also highlight his commitment to enhancing engine efficiency and performance. As a key player at Mazda Motor Corporation, Hidaka continues to shape the future of automotive engineering, inspiring future generations of inventors and engineers.