Masashi Higashida

Title: Masashi Higashida: Innovator in Age-Hardenable Steel

Introduction

Masashi Higashida is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced steel compositions. With a total of 6 patents to his name, Higashida's work has had a substantial impact on the industry.

Latest Patents

Higashida's latest patents include an innovative age-hardenable steel. This steel features a specific composition consisting of C: 0.05 to 0.20%, Si: 0.01 to 0.50%, Mn: 1.5 to 2.5%, S: 0.005 to 0.08%, Cr: more than 0.50% and not more than 1.6%, Al: 0.005 to 0.05%, V: 0.25 to 0.50%, Mo: 0 to 1.0%, Cu: 0 to 0.3%, Ni: 0 to 0.3%, Ca: 0 to 0.005%, and Bi: 0 to 0.4%, with the balance being Fe and impurities. The steel exhibits a hardness of not more than 310 HV before aging, and after aging, it achieves a fatigue strength of not less than 480 MPa and an absorbed energy of not less than 12 J at 20°C. Another notable patent involves a rolled steel bar for hot forging, which consists of C: 0.25-0.50%, Si: 0.40-1.0%, Mn: 1.0-1.6%, S: 0.005-0.035%, Al: 0.005-0.050%, V: 0.10-0.30%, and N: 0.005-0.030%, with the balance being Fe and impurities.

Career Highlights

Throughout his career, Higashida has worked with leading companies in the steel industry, including Nippon Steel & Sumitomo Metal Corporation and Denso Corporation. His expertise in materials science has allowed him to develop innovative solutions that enhance the performance and durability of steel products.

Collaborations

Higashida has collaborated with notable colleagues