Yoshimasa Oyama

Title: Yoshimasa Oyama: Innovator in Copper Alloys and Automotive Technology

Introduction

Yoshimasa Oyama is a notable inventor based in Nikko, Japan. He has made significant contributions to the fields of materials science and automotive engineering. With a total of 3 patents to his name, Oyama has developed innovative solutions that enhance the performance and efficiency of various applications.

Latest Patents

One of Oyama's latest patents is for a copper alloy and method of manufacturing the same. This copper alloy comprises 0.01 to 1.0 wt. % of chromium, 0.01 to 8 wt. % of tin, and other elements, with the remainder being copper. The manufacturing method involves hot processing or heat treatment at temperatures between 800°C to 950°C, followed by a specific cooling process. This alloy is particularly useful as a material for electric or electronic instruments.

Another significant patent is for a radiator designed for motor cars. This innovative radiator features fins fitted between vertical tubes, which enhance heat exchange efficiency. The tube plates are made from alpha brass, containing 15-38 wt. % zinc and 0.05-1.5 wt. % silicon, ensuring durability and performance in automotive applications.

Career Highlights

Throughout his career, Yoshimasa Oyama has worked with prominent companies such as Furukawa Electric Co., Ltd. and Nippondenso Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the industry.

Collaborations

Oyama has collaborated with notable coworkers, including Toru Tanigawa and Shoji Shiga. These partnerships have fostered a creative environment that has led to the development of innovative technologies.

Conclusion

Yoshimasa Oyama's contributions to the fields of copper alloys and automotive technology demonstrate his commitment to innovation. His patents reflect a deep understanding of materials science and engineering, making him a valuable figure in his industry.