This inventor holds 3 USPTO granted patents. Top assignees: Aichi Steel Works, Ltd., Koyo Seiko Kabushiki Kaisha, Koyo Seiko K.k.. Active years: 1987-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 58 
2 out of 15 
1 out of 1 Years Active: 1987-1995
Title: Yatsuka Takata: Innovator in Bearing Steel Technology
Introduction
Yatsuka Takata is a prominent inventor based in Chita, Japan. He has made significant contributions to the field of materials science, particularly in the development of high-quality bearing steels. With a total of 3 patents to his name, Takata's work has had a lasting impact on the industry.
Latest Patents
One of Takata's latest patents focuses on a bearing steel designed to have a long rolling life. This steel composition includes, by weight, 0.65 to 0.90% of carbon (C), 0.15 to 0.50% of silicon (Si), 0.15 to 1.0% of manganese (Mn), and 2.0 to 5.0% of chromium (Cr), with the balance being iron (Fe). The addition of optional elements such as nitrogen (N), aluminum (Al), and niobium (Nb) helps prevent the austenite grain size from becoming coarser, allowing for hardening at high temperatures. Furthermore, the rolling fatigue life can be enhanced by incorporating nickel (Ni), molybdenum (Mo), and vanadium (V) as optional elements. Another patent details a method for purifying bearing steel, which includes specific weight percentages of carbon, silicon, manganese, phosphorus, sulfur, chromium, aluminum, nitrogen, oxygen, titanium, and other elements to ensure excellent durability and cold workability.
Career Highlights
Throughout his career, Yatsuka Takata has worked with notable companies such as Aichi Steel Works, Ltd. and Koyo Seiko Kabushiki Kaisha. His expertise in materials science has allowed him to develop innovative solutions that address the challenges faced in the manufacturing of bearing steels.
Collaborations
Takata has collaborated with esteemed colleagues, including Tadamasa Yamada and Eiki Kikuchi. Their combined efforts have contributed to advancements in the field of bearing technology.
Conclusion
Yatsuka Takata's contributions to the development of bearing steels have established him as a key figure in materials science. His innovative patents and collaborations continue to influence the industry, ensuring the longevity and performance of bearing applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile