Naoto Koyamaishi

Title: Naoto Koyamaishi: Innovator in Engine Technology

Introduction

Naoto Koyamaishi is a notable inventor based in Susono, Japan. He has made significant contributions to the field of internal combustion engine technology, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of Koyamaishi's latest patents is a sludge adhesion inhibiting structure for internal combustion engines. This invention features a sludge inhibiting layer that prevents the generation or adhesion of sludge on surfaces within the engine that are not always in contact with oil. The layer is preferably composed of a solid alkali substance and is strategically placed in the head cover and oil separator chamber. Another significant patent is a sliding support structure for shaft members. This design includes a support member and a shaft member that rotate relative to each other, with lubricating oil supplied between their sliding surfaces. The support member has a specific sliding surface portion that corresponds to load concentration, while oil-repellent regions are provided on both upstream and downstream sides.

Career Highlights

Koyamaishi has worked with prominent companies in the automotive industry, including Toyota Motor Corporation and Taiho Kogyo Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in engine technology.

Collaborations

Throughout his career, Koyamaishi has collaborated with talented individuals such as Tetsushi Suzuki and Motoichi Murakami. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Naoto Koyamaishi is a distinguished inventor whose work in engine technology has made a lasting impact. His patents reflect his commitment to innovation and his ability to address complex engineering challenges.