Yoshimasa Ohyama

Title: Innovations of Yoshimasa Ohyama

Introduction

Yoshimasa Ohyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copper alloys. With a total of 2 patents, his work has implications for various electronic applications.

Latest Patents

Ohyama's latest patents include a copper alloy with excellent punchability and a manufacturing method thereof. This innovative copper alloy comprises 0.2 to 0.35 wt % of chromium (Cr), 0.1 to 0.5 wt % of tin (Sn), and 0.1 to 0.5 wt % of zinc (Zn), with the balance being copper (Cu) and unavoidable impurities. The alloy features a precipitation phase of Cr or a Cr compound, which enhances its punchability. Another significant patent is for a copper alloy designed for electronic instruments, which includes 2.0 to 7.0 wt. % of Sn and a total of 1.0 to 6.0 wt. % of nickel (Ni), cobalt (Co), and Cr. This alloy is particularly useful for semiconductor elements and various electronic components.

Career Highlights

Yoshimasa Ohyama is currently employed at The Furukawa Electric Co., Ltd. His work at this esteemed company has allowed him to focus on the development of innovative materials that meet the demands of modern technology.

Collaborations

Ohyama has collaborated with notable colleagues such as Makoto Asai and Tohru Tanigawa. Their combined expertise has contributed to the advancement of their projects and innovations.

Conclusion

Yoshimasa Ohyama's contributions to the field of copper alloys demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials science and its applications in electronics.