This inventor holds 33 USPTO granted patents and 3 EPO patents, primarily in Direct Injection Engines. Top assignee: Mazda Motor Corporation. Active years: 1993-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hiroshima-ken, JP (2000)
- Fuchu-cho, JP (2001 - 2006)
- Hiroshima, JP (1993 - 2018)
- Hirohshima, JP (2019)
- Aki-gun, JP (2004 - 2021)
Company Filing History:
Years Active: 1993-2021
Areas of Expertise:
Title: Innovations by Hiroyuki Yamashita: A Leader in Engine Technology
Introduction
Hiroyuki Yamashita, a remarkable inventor based in Hiroshima, Japan, has made significant contributions to the field of engine technology. With an impressive portfolio of 33 patents, he has earned recognition for his innovative designs and systems that optimize engine performance and efficiency.
Latest Patents
Yamashita's latest patents include a sophisticated engine system designed to enhance combustion efficiency. This system features a main combustion chamber, an auxiliary chamber, an injector for fuel, and an ignition plug for mixture gas ignition. Notably, the control device regulates the air-fuel ratio depending on engine load ranges, ensuring optimal performance.
Another noteworthy invention is a control system for engines. This system utilizes a water injector to introduce supercritical or subcritical water into the engine cylinder. The controller manages the timing and amount of water injected, particularly during high engine speed operations, to improve combustion efficiency and reduce emissions.
Career Highlights
Hiroyuki Yamashita plays a crucial role at Mazda Motor Corporation, where he applies his expertise in engineering and innovation to advance the automotive industry. His dedication to developing cutting-edge engine technologies is evident in his extensive list of patents that aim to improve vehicle performance and environmental sustainability.
Collaborations
Throughout his career, Yamashita has collaborated with skilled professionals such as Masatoshi Seto and Keiji Araki. These partnerships have fostered a dynamic work environment at Mazda, leading to groundbreaking advancements in engine technology and design.
Conclusion
In summary, Hiroyuki Yamashita stands out as a leading innovator in engine systems and technologies. Through his numerous patents and collaborative efforts at Mazda Motor Corporation, he continues to push the boundaries of automotive engineering, making significant contributions to the future of sustainable transportation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile