Location History:
- Kodaira, JP (2008)
- Kisarazu, JP (2020)
- Tokyo, JP (2002 - 2021)
Company Filing History:
3 out of 1,102 
2 out of 52,780 
2 out of 3,576 Years Active: 2002-2021
Title: **Innovations of Makoto Kosaka, a Notable Inventor from Tokyo**
Introduction
Makoto Kosaka is a distinguished inventor based in Tokyo, Japan, renowned for his innovative contributions to materials science and engineering. With a total of seven patents to his name, Kosaka has made significant advancements in the fields of rolled wire rods and bolts, reflecting his dedication to enhancing material properties.
Latest Patents
Kosaka's latest patents showcase his expertise in developing high-performance materials. One of his prominent inventions is a **rolled wire rod** characterized by specific mass percentages of Titanium (Ti), Nitrogen (N), and Sulfur (S). This innovative design ensures the rod possesses an internal structure of ferrite and pearlite, optimizing its mechanical characteristics for various industrial applications. The detailed configuration regarding the contents of these elements contributes to creating a robust wire rod with a ferrite fraction of at least 40% and minimizing the presence of sulfides.
Another notable invention is a **high-strength bolt** which excels in hydrogen embrittlement resistance. This bolt, differentiated by its precise composition—ranging from Carbon (C) to Nickel (Ni)—is engineered to withstand extreme tensile loads, showcasing a tensile strength between 1000 to 1300 MPa. By adhering to specific formulas governing the composition ratios, Kosaka's design promises enhanced performance in challenging environments.
Career Highlights
Throughout his career, Makoto Kosaka has worked with esteemed companies, including Nippon Steel & Sumitomo Metal Corporation and Kabushiki Kaisha Toshiba. His experience in these organizations has undoubtedly contributed to his profound understanding of material properties and engineering challenges.
Collaborations
In his journey of innovation, Kosaka has collaborated with notable colleagues such as Toshimi Tarui and Naoki Matsui. These partnerships have enabled him to leverage collective expertise in developing advanced materials and technologies.
Conclusion
Makoto Kosaka stands out as a prominent inventor whose work continues to shape the future of materials engineering. With a focus on innovative solutions in rolled wire rods and bolts, his contributions are vital to enhancing the performance and safety of various applications in industry.