This inventor holds 22 USPTO granted patents and 4 published patent applications, plus 4 CIPO patents and 9 EPO patents, primarily in Electrical Steel Manufacturing. Top assignees: Jfe Steel Corporation, Nkk Corporation, Sony Corporation. Active years: 1999-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fukuyama, JP (1999 - 2003)
- Kurashiki, JP (2014)
- Tokyo, JP (1999 - 2022)
Company Filing History:
13 out of 1,974 
6 out of 614 
1 out of 58,148 
Years Active: 1999-2024
Areas of Expertise:
Title: **Tatsuhiko Hiratani: Innovations in Fe—Cr Alloy Production**
Introduction
Tatsuhiko Hiratani is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly with his work on Fe—Cr alloys. With a total of 22 patents under his name, he exemplifies the innovative spirit that drives advancements in engineering and metallurgy.
Latest Patents
Hiratani's recent inventions focus on methods of producing Fe—Cr alloys. One of his latest patents details a method for creating a Fe—Cr alloy by rolling a slab with a specific chemical composition. This process involves rolling a slab that contains controlled amounts of carbon, silicon, manganese, phosphorus, sulfur, chromium, aluminum, nitrogen, and nickel, with iron filling the remaining composition. The method also includes a siliconizing treatment via a thermal Chemical Vapor Deposition (CVD) method, allowing the final alloy to achieve a Si content of over 1.5 mass % but less than 10.0 mass %.
Another significant patent outlines the properties of a Fe—Cr alloy that contains increased silicon and aluminum levels, formulated to meet specific criteria. This innovative composition improves the resistance heating elements made from such alloys.
Career Highlights
Throughout his career, Tatsuhiko Hiratani has worked with prominent companies in the steel and manufacturing industry, notably with JFE Steel Corporation and NKK Corporation. His experiences at these organizations have undoubtedly fueled his innovative endeavors, enabling him to explore the boundaries of materials science.
Collaborations
During his journey as an inventor, Hiratani has collaborated with esteemed professionals in his field, including Yasushi Tanaka and Yoshihiko Oda. These partnerships have played a crucial role in the development of his patented technologies and have facilitated knowledge exchange that contributes to innovation.
Conclusion
Tatsuhiko Hiratani stands out as a prominent inventor in the domain of Fe—Cr alloys, with a substantial portfolio of patents that reflect his innovative capabilities. His work continues to influence the manufacturing and materials industry, showcasing the importance of ongoing research and development in achieving technological advancement.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile