Kazumasa Kurihara

Title: Innovations and Contributions of Kazumasa Kurihara in Fuel Technology

Introduction

Kazumasa Kurihara, a distinguished inventor based in Fujisawa, Japan, has made significant contributions to the field of fuel technology. With a remarkable portfolio of 23 patents, his innovations have greatly enhanced the efficiency and functionality of fuel systems.

Latest Patents

Among his recent patents, the "Fuel-filtering device" stands out as a notable advancement. This device is designed to be placed inside a fuel tank, providing effective fuel filtration. The innovation features a specially designed filter body comprising multiple laminated filter layers, including a woven mesh outside layer, a non-woven fabric inside layer, and intermediate layers of non-woven fabric. The composition of the filter body utilizes polyethylene and polypropylene fibers, with mesh sizes that decrease from the outer to the inner layers.

Another significant invention is the "Over-fueling prevention valve," which offers a solution for preventing excess fuel from entering the fuel tank. This valve includes an upper chamber that connects with a ventilation passage of a canister, and a lower chamber that resides within the fuel tank. A float member in the lower chamber effectively blocks the communication port, preventing overflow. The design incorporates a unique fuel inlet positioned to ensure gradual fuel entry, thereby increasing inner tank pressure efficiently.

Career Highlights

Kazumasa Kurihara's professional journey includes tenures at renowned companies such as Nifco Inc. and Nissan Motor Company Limited. His work at these institutions has focused on refining fuel technologies while contributing to innovative design and engineering improvements.

Collaborations

Throughout his career, Kurihara has collaborated with fellow inventors and engineers, including Yasutomo Kobayashi and Yoshio Kaneko. These partnerships have fostered an environment of innovation, leading to the development and patenting of cutting-edge technologies in fuel systems.

Conclusion

Kazumasa Kurihara's contributions to fuel technology through his 23 patents exemplify a commitment to innovation and excellence. His latest inventions, particularly the fuel-filtering device and over-fueling prevention valve, highlight his role as a key player in advancing fuel efficiency and safety. As he continues to push the boundaries of engineering, Kurihara inspires future generations of inventors in the realm of fuel technology.