Company Filing History:
Years Active: 2001
Title: The Innovative Contributions of Munehiko Doi
Introduction
Munehiko Doi, an accomplished inventor hailing from Tochigi-ken, Japan, has made significant strides in the field of engineering and manufacturing. He is recognized for his innovative approach to enhancing engine performance through the development of advanced cylinder liners. His work demonstrates a commitment to improving mechanical efficiency and durability in automotive applications.
Latest Patents
Munehiko Doi holds a notable patent for a "Cylinder liner formed with cross-hatching grooves." This patent describes a cylinder liner made of cast iron that features an inner peripheral surface subjected to honing, which creates cross-hatching grooves. The design allows for a resultant surface roughness ranging from 0.4 μmR to 0.8 μmR. Additionally, the inner surface maintains an open phase rate of graphite of no less than 80%, which contributes to improved lubrication and reduces wear in engine components.
Career Highlights
Doi is currently employed at Nippon Piston Ring Co., Ltd., a respected company known for its contributions to engine component technology. His role in the development of innovative products has been pivotal in advancing the operational performance of piston rings and cylinder liners, essential elements in automotive engines.
Collaborations
Throughout his career, Munehiko Doi has collaborated with esteemed colleagues including Genshin Kojima and Fujio Anzai. These collaborations have fostered an environment of innovation and creativity, leading to breakthrough advancements in engine technology and enhancing the overall quality of automotive components.
Conclusion
Munehiko Doi's contributions to the field of engineering and his innovative patents reflect his dedication to improving automotive technology. His work at Nippon Piston Ring Co., Ltd. positions him as a key player in the industry, ensuring that advancements in engine efficiency continue to evolve. Doi's achievements serve as a testament to the vital role inventors play in driving innovation and shaping the future of automotive engineering.