Location History:
- Hiroshima, JP (2001 - 2020)
- Aki-gun, JP (2023)
Company Filing History:
6 out of 4,682 
2 out of 4,631 
Years Active: 2001-2023
Title: Koichi Hirata: A Pioneer in Engine Technology
Introduction
Koichi Hirata, hailing from Hiroshima, Japan, is an esteemed inventor known for his significant contributions to engine technology. With a remarkable portfolio of eight patents, Hirata has dedicated his career to enhancing automotive engineering, particularly in the field of engine mechanisms.
Latest Patents
Among his notable innovations are two recent patents. The first, titled "Engine Crank Pulley Structure," describes a sophisticated design for a vehicular crank pulley that effectively transmits rotational forces to essential components like the water pump and compressor. This innovative structure includes a front pulley positioned at the vehicle's front and a rear pulley at the back, with a connecting portion that enhances safety by deforming under collision loads. The clever design allows for a smaller front pulley diameter compared to the inner diameter of the rear pulley, optimizing engine performance.
His second notable patent, "Engine Reciprocative Rotating Mechanism and Method for Manufacturing the Same," introduces a dual dynamic vibration absorber system. This design features a second absorber with a higher resonance frequency than the first, ensuring better performance by shifting resonance frequencies to minimize antiresonance peaks in both higher and lower frequency regions.
Career Highlights
Koichi Hirata has had a distinguished career, working with major companies like Mazda Motor Corporation and Mitsubishi Heavy Industries. His expertise has contributed to advancements in engine design and functionality, positioning him as a key figure in automotive innovation.
Collaborations
Hirata has collaborated with notable colleagues such as Tsunehiro Mori and Akira Sumitani. Together, they have pushed the boundaries of engineering, sharing knowledge and expertise to drive forward innovative automotive solutions.
Conclusion
Through his innovative spirit and technical acumen, Koichi Hirata has made considerable strides in automotive engineering. His eight patents reflect a commitment to excellence and a deep understanding of mechanics, ensuring that his contributions will influence the future of engine technology for years to come.