Location History:
- Utsunomiya, JP (2018)
- Wako, JP (2014 - 2022)
Company Filing History:
6 out of 21,893 
1 out of 6,070 
1 out of 34 
Years Active: 2014-2022
Title: Keisuke Tsuta: Innovator in Friction Stir Welding Technology
Introduction
Keisuke Tsuta is a prominent inventor based in Wako, Japan, known for his contributions to the field of friction stir welding. With a total of 6 patents to his name, Tsuta has made significant advancements that enhance the efficiency and effectiveness of welding processes.
Latest Patents
One of Tsuta's latest innovations is a friction stir welding tool designed to inhibit chipping, even when high-hardness materials adhere to its tip during the welding of iron-base and aluminum alloys. This tool is made from high-speed tool steel and features a minor diameter portion and a major diameter portion, with the hardness decreasing from the minor to the major diameter. The minor diameter portion boasts a hardness of 65 HRC or more, while the major diameter portion is 60 HRC or less. Another notable patent involves a friction stir welding tool that includes a probe with outer circumferential recesses extending to the front end surface. This design allows the probe to rotate and embed itself within a workpiece, facilitating effective welding.
Career Highlights
Throughout his career, Tsuta has worked with notable companies such as Honda Motor Co., Ltd. and Fanuc Corporation. His experience in these organizations has contributed to his expertise in welding technologies and innovations.
Collaborations
Tsuta has collaborated with esteemed colleagues, including Mitsuru Sayama and Akiyoshi Miyawaki, further enhancing his work in the field of welding technology.
Conclusion
Keisuke Tsuta's innovative contributions to friction stir welding technology demonstrate his commitment to advancing industrial processes. His patents reflect a deep understanding of material properties and welding techniques, positioning him as a key figure in the field.