Location History:
- Hiroshima, JP (2011 - 2019)
- Aki-gun, JP (2021 - 2024)
Company Filing History:
25 out of 4,676 
1 out of 19,697 
Years Active: 2011-2024
Title: Innovations in Engine Technology: The Patents of Kazuhiro Nagatsu
Introduction
Kazuhiro Nagatsu, a prolific inventor based in Hiroshima, Japan, has made significant contributions to the field of engine technology. With a total of 25 patents to his name, he has developed innovative solutions addressing key challenges in engine performance, particularly in terms of efficiency and power. His work has influenced various automotive advancements, showcasing his expertise and commitment to progress in the industry.
Latest Patents
Among his latest patents, Nagatsu has designed an engine that effectively suppresses strong knocking in high load and high rotation conditions. This engine features a unique combustion chamber that includes a sub-chamber and a main chamber, separated by a pre-chamber. The innovation allows for a bore/stroke ratio of the cylinder and a specific volume of the sub-chamber, ensuring optimal performance.
Another notable patent involves a design that meets the dual request for improved thermal efficiency during medium load operation while suppressing knocking during high load and rotation. This engine configuration includes a main combustion chamber and a pre-chamber with multiple injection holes, with precise specifications for compression ratios and indices that enhance performance.
Career Highlights
Kazuhiro Nagatsu has held positions in esteemed companies in the automotive sector, including Mazda Motor Corporation and Denso Corporation. His role in these organizations has allowed him to push the boundaries of engine design and contribute to significant advancements in automotive technology.
Collaborations
Throughout his career, Nagatsu has collaborated with notable engineers such as Takashi Youso and Masahisa Yamakawa. These partnerships have fostered a creative environment that thrives on innovation, allowing them to develop and refine groundbreaking engine technologies that address industry needs.
Conclusion
With 25 patents and a wealth of experience in the automotive industry, Kazuhiro Nagatsu stands out as a leading inventor in engine technology. His latest innovations not only improve performance but also pave the way for a more efficient future in automotive design. As he continues to push the envelope of engineering, his contributions will undoubtedly shape the landscape of the industry for years to come.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.