Toshinaga Ohgaki

Title: Toshinaga Ohgaki: Innovator in Aluminum Bearing Alloys

Introduction

Toshinaga Ohgaki is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of aluminum bearing alloys. With a total of two patents to his name, his work has implications for various industries, including automotive engineering.

Latest Patents

Ohgaki's latest patents include an aluminum base bearing alloy and a method of producing the same. This invention provides an aluminum base bearing alloy that excels in both lubricating capability and fatigue resistance, making it particularly useful in automotive engines. The alloy consists of at least one lubricating element, such as lead (Pb) and/or tin (Sn), with specific ratios to the aluminum matrix. Additionally, it incorporates silicon (Si) and reinforcing elements like copper (Cu) and chromium (Cr). The production process involves preparing a raw material alloy powder mixture, compacting it into a billet, and extruding the billet at a specified extrusion ratio.

Another significant patent by Ohgaki relates to an aluminum bearing alloy and a two-layer bearing material. This invention features a bearing layer made of aluminum bearing alloy and a backing metal, such as a steel sheet. The alloy contains a specific composition of tin, silicon, lead, strontium, and antimony, which enhances its fatigue resistance, anti-seizure properties, and abrasion resistance under high-speed, high-load conditions.

Career Highlights

Throughout his career, Toshinaga Ohgaki has worked with prominent companies, including NDC Company Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in automotive technology.

Collaborations

Ohgaki has collaborated with notable colleagues, including Masahito Fujita and Takeshi Sakai. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and expertise in the field of materials science.

Conclusion

Toshinaga Ohgaki's contributions to the development of aluminum bearing alloys demonstrate his innovative spirit and commitment to advancing technology. His patents reflect a deep understanding of material properties and their applications in the automotive industry.