Location History:
- Yamaguchi, JP (1989)
- Tokyo, JP (2001 - 2019)
Company Filing History:
4 out of 42 
3 out of 1,101 
2 out of 3,542 
Years Active: 1989-2019
Title: **Jun Nakatsuka: Innovator in Steel Foil Technology**
Introduction
Jun Nakatsuka, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of materials science. With a total of six patents to his name, Nakatsuka focuses on developing advanced steel foils that enhance performance characteristics for various applications.
Latest Patents
Among his latest inventions is a steel foil and the method for manufacturing it. This innovative steel foil comprises a rolled steel base with a nickel plating on its outermost layer, designed to exhibit specific texture and strength properties. Notably, the steel foil features a <111> pole density in an inverse pole figure of the rolling direction that ranges from 3.0 to 6.0. Moreover, the composition of this steel foil includes a carefully calibrated mix of elements: Carbon (C) at 0.0001 to 0.02%, Silicon (Si) at 0.001 to 0.01%, Manganese (Mn) at 0.01 to 0.3%, Phosphorus (P) at 0.001 to 0.02%, Sulfur (S) at 0.0001 to 0.01%, Aluminum (Al) at 0.0005 to 0.1%, Nitrogen (N) at 0.0001 to 0.004%, with the remainder consisting of iron and impurities. This advanced steel foil also boasts a thickness of 5 to 15 μm and a tensile strength of over 900 MPa, capping off at no more than 1,200 MPa.
Career Highlights
Nakatsuka honed his expertise at leading companies such as Nippon Steel & Sumikin Materials Co., Ltd. and Nippon Steel & Sumitomo Metal Corporation. His work has garnered attention within the industry, particularly for its innovative approach to manufacturing steel foils that meet rigorous performance requirements.
Collaborations
Collaboration plays a crucial role in Nakatsuka's success, and he has had the privilege of working alongside notable colleagues like Shuji Nagasaki and Kiyokazu Ishizuka, a talented female engineer whose contributions have further enriched their joint projects.
Conclusion
Jun Nakatsuka's inventive spirit and technical prowess in steel foil innovation position him as a key figure in his field. As he continues to develop and patent new technologies, the impact of his work will likely extend beyond academia and into various industries reliant on high-performance materials. His achievements demonstrate the vital intersection of research and industrial application in advancing material technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.