Company Filing History:
2 out of 13,398 
2 out of 16 Years Active: 1989-1992
Title: Katsuji Tanizaki: Innovator in Aluminum Alloy Technology
Introduction
Katsuji Tanizaki is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of materials science, particularly in the development of aluminum alloys. With a total of two patents to his name, Tanizaki's work focuses on enhancing the performance of bearing materials used in various applications.
Latest Patents
Tanizaki's latest patents include an innovative aluminum matrix bearing metal alloy. This aluminum alloy is prepared from a specific aluminum alloy powder composition. The invention provides an aluminum base bearing alloy that excels in both lubricating capability and fatigue resistance, making it particularly useful in automotive engines. The bearing alloy consists of at least one lubricating element, such as lead (Pb) and/or tin (Sn), with a total amount ranging from 0.04 to 0.07 by sectional area ratio to the aluminum matrix. Additionally, it contains silicon (Si) in the range of 0.01 to 0.17 by sectional area ratio to the aluminum matrix, along with 0.2-5.0 wt % of at least one reinforcing element like copper (Cu) and/or chromium (Cr). The alloy also includes 0-3.0 wt % of refining elements such as titanium (Ti) and/or boron (B), with the balance being aluminum (Al). The grain size of the lubricating elements is not larger than 8 µm, while the grain size of silicon is not larger than 12 µm and preferably not smaller than 6 µm. The production process involves preparing a raw material alloy powder mixture, growing Si grains to the desired size through heat treatment, compacting the mixture into a billet, and extruding the billet at an extrusion ratio not lower than 10.
Career Highlights
Throughout his career, Katsuji Tanizaki has worked with prominent companies in the automotive industry. Notably, he has been associated with Nissan Motor Company Limited and NDC Company Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in automotive technology.
Collaborations
Tanizaki has collaborated with several professionals in his field, including Takeshi Sakai and Yoshihiro Maki. These collaborations have likely enriched his work and led to further innovations in aluminum alloy
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