Company Filing History:
4 out of 4,920 
4 out of 99 Years Active: 2014-2021
Title: Mahoto Takeda: Innovator in Copper Alloys
Introduction
Mahoto Takeda is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of copper alloys. With a total of four patents to his name, Takeda's work has advanced the understanding and application of these materials.
Latest Patents
Among his latest patents, Takeda has developed a copper alloy with a basic alloy composition represented by CuSnAl. This alloy composition satisfies the conditions where 8 ≤ x ≤ 12 and 8 ≤ y ≤ 9. The main phase of this alloy is a βCuSn phase with aluminum dissolved within it. This βCuSn phase undergoes martensitic transformation when subjected to heat treatment or mechanical work. Additionally, he has disclosed a method for producing this copper alloy, which includes a casting step of melting and casting a raw material containing Cu, Sn, and Al, followed by a homogenization step to obtain a homogenized material.
Another significant patent involves a copper alloy with a composition represented by CuSnMn, where 8 ≤ x ≤ 16 and 2 ≤ y ≤ 10. Similar to his previous work, this alloy features a βCuSn phase with manganese dissolved in it, which also undergoes martensitic transformation under specific conditions.
Career Highlights
Throughout his career, Mahoto Takeda has worked with prominent organizations such as NGK Insulators, Inc. and Yokohama National University. His experience in these institutions has allowed him to collaborate with other experts in the field and further his research in copper alloys.
Collaborations
Takeda has collaborated with notable colleagues, including Naokuni Muramatsu and Koudai Sasaki. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Mahoto Takeda's innovative work in the field of copper alloys has led to significant advancements in material science. His patents reflect a deep understanding of alloy compositions and their applications, making him a key figure in this area of research.