Location History:
- Kawasaki, JP (1992)
- Tokyo, JP (2014 - 2018)
Company Filing History:
5 out of 1,098 
2 out of 3,542 
1 out of 3 Years Active: 1992-2018
Title: **Innovative Contributions of Hiroyuki Tanahashi in Steel Engineering**
Introduction
Hiroyuki Tanahashi, a prominent inventor based in Tokyo, Japan, has made significant advancements in the field of steel engineering. With a total of six patents to his name, Tanahashi's work focuses primarily on enhancing the properties of hot stamping steel materials, addressing critical challenges such as hydrogen embrittlement resistance.
Latest Patents
Among Tanahashi's latest innovations are two notable patents. The first patent pertains to a hot stamping steel material designed to maintain excellent hydrogen embrittlement resistance, even when subjected to post-processing activities such as piercing. This steel sheet exhibits a specific chemical composition, including carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), and several other elements, ensuring its robust performance.
The second patent concerns a hot rolled steel sheet. It highlights a range of specified mass percentages for various elements, including carbon, silicon, aluminum (Al), manganese, and more, which contribute to the steel's strength and reliability. The structure of this steel showcases an optimal area ratio of martensite and retained austenite, with a maximum tensile strength of 720 MPa or greater, making it particularly advantageous for industrial applications.
Career Highlights
Hiroyuki Tanahashi has built a distinguished career working with esteemed organizations such as Nippon Steel & Sumitomo Metal Corporation, a leader in the steel industry. His tenure at such reputable companies has provided him with the platform to develop innovative steel solutions that cater to modern engineering demands.
Collaborations
Throughout his career, Tanahashi has collaborated with notable peers, including Toshimasa Tomokiyo and Shinya Saitoh. These partnerships have facilitated the exchange of ideas and expertise, further propelling his success as an inventor in the field of materials science.
Conclusion
Hiroyuki Tanahashi stands out as a prominent figure in steel innovation. His patents not only enhance the performance of steel materials but also contribute to the advancement of the industry as a whole. With a commitment to improving engineering solutions, Tanahashi continues to inspire future generations of inventors in the realm of materials science.
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.