Location History:
- Tokyo, JP (2003)
- Handa, JP (2015)
Company Filing History:
4 out of 1,800 
2 out of 4 
1 out of 832,880 Years Active: 2003-2025
Title: **The Innovations of Seiji Ozaki: Pioneering Solid Lubricating Coatings**
Introduction
Seiji Ozaki, based in Tokyo, Japan, is a prominent inventor known for his significant contributions to the field of solid lubricating coatings. With a remarkable portfolio of four patents, Ozaki has developed innovative solutions that enhance the performance and longevity of oil country tubular goods.
Latest Patents
Among his latest patents, Ozaki has crafted groundbreaking technologies such as an agent for forming solid lubricating coating films and an improved threaded joint for oil country tubular goods. His notable invention, the solid lubricating coating film, is designed to provide excellent lubricity and corrosion resistance. This unique coating comprises two or more solid lubricants dispersed in a binder resin, prominently featuring graphite at a concentration between 50% and 90% of the total weight of the solid lubricants. The graphite is selected for its scaly shape and particle diameter of 10.0 μm or less. Furthermore, additional solid lubricants from materials such as BN, mica, talc, and MoS are incorporated to optimize performance. The binder resin, primarily made of PEEK resin with an average particle diameter of 20 μm or less, constitutes at least 70% of the total weight of the binder.
Another noteworthy patent addresses a threaded joint configuration that optimizes the relationship between shoulder angle parameters and thread taper angle parameters, ensuring that the tightening torque achieves a range of 60% to 85% of the yield torque.
Career Highlights
Seiji Ozaki has made substantial strides in his career, prominently working with JFE Steel Corporation. His role at this esteemed organization showcases his commitment to advancing material sciences and engineering applications.
Collaborations
Throughout his career, Ozaki has collaborated with notable professionals in the field, including Seigo Goto and Hideo Sato. These collaborations have played a vital role in refining his inventions and expanding the impact of his innovations.
Conclusion
In summary, Seiji Ozaki's inventive spirit and dedication to developing high-performance solutions reflect his significant contributions to the advancement of lubricating technologies. His impactful patents not only enhance oil country tubular goods but also set a standard for future innovations in the industry. Ozaki's work stands as a testament to the potential of innovative thinking in solving complex engineering challenges.