Company Filing History:
Years Active: 2002
Title: Keiji Sugawara: Innovator in Oil Well Pipe Technology
Introduction
Keiji Sugawara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of oil well technology, particularly with his innovative designs aimed at enhancing the durability and functionality of oil well pipes. His work is characterized by a focus on reducing the risks associated with ground subsidence.
Latest Patents
Sugawara holds a patent for an oil well pipe that is resistant to fracturing caused by ground subsidence. This invention features a sliding layer on the outside of the oil well pipe, which minimizes the frictional force acting on it. The design ensures that the residual negative frictional force remains at or below 2×10 N/m after one year of deformation at the operating temperature of the oil well pipe. Additionally, the sliding layer is constructed from materials that maintain a stiffness factor S(t) within the range of 10 N/m to 10 N/m after one year of deformation. An adhesive layer is also incorporated between the pipe body and the sliding layer to enhance performance during construction.
Career Highlights
Sugawara is associated with NKK Corporation, where he has been instrumental in developing advanced oil well pipe technologies. His innovative approach has led to improvements in the adhesive force of the products, further enhancing their reliability and effectiveness in the field.
Collaborations
Throughout his career, Sugawara has collaborated with talented individuals such as Kayo Hasegawa and Masatsugu Nishi. These partnerships have fostered a creative environment that has led to the development of cutting-edge technologies in the oil industry.
Conclusion
Keiji Sugawara's contributions to oil well pipe technology exemplify the importance of innovation in addressing industry challenges. His patented designs not only improve the durability of oil well pipes but also enhance their operational efficiency. Sugawara's work continues to influence the field, showcasing the impact of inventive solutions in engineering.
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.