Location History:
- Futtsu, JP (2002)
- Muroran, JP (2010)
- Chiyoda-ku, JP (2012)
- Chiba, JP (2018 - 2020)
- Tokyo, JP (2019 - 2021)
Company Filing History:
11 out of 3,562 
5 out of 1,102 
2 out of 10,264 
Years Active: 2002-2021
Title: Inventor Makoto Okonogi: Pioneering Innovations in Steel Technology
Introduction
Makoto Okonogi, an accomplished inventor based in Chiba, Japan, has made significant contributions to the field of steel technology. With a remarkable portfolio of 16 patents, Okonogi has showcased his innovative prowess, particularly in developing high-strength steel materials that cater to modern engineering demands.
Latest Patents
Among his latest patents, Okonogi has introduced groundbreaking inventions such as a specialized steel wire and wire rod. His innovative approach details a predetermined chemical composition which significantly enhances the mechanical properties of steel. For example, when the carbon content is set between 0.35% and 0.65%, the volume fraction of pearlite achieves remarkable levels of 64×(C %)+52% or more. Additionally, in cases where the carbon content ranges from 0.65% to 0.85%, he specifies critical structural parameters ensuring high performance.
Another notable invention is the high-strength PC steel wire that boasts an impressive tensile strength between 2000 to 2400 MPa. This wire features a unique chemical composition, with controlled carbon and alloying element ratios designed to optimize performance. The production method is straightforward, offering excellent delayed fracture resistance, which is vital for various high-stress applications.
Career Highlights
Throughout his career, Makoto Okonogi has been associated with leading companies in the steel industry, notably Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His tenure at these organizations enabled him to refine his research and innovate practical solutions for modern engineering challenges.
Collaborations
Okonogi has collaborated with his talented coworkers, Daisuke Hirakami and Shingo Yamasaki. Their collective expertise has played a significant role in advancing steel technology and addressing the evolving needs of the market.
Conclusion
In summary, Makoto Okonogi is a distinguished inventor whose work has had a substantial impact on the field of steel technology. His inventive spirit and commitment to innovation are evident in his numerous patents and successful collaborations. Okonogi's advancements will undoubtedly continue to influence the industry for years to come.