Location History:
- Ichikawa, JP (1985)
- Aichi, JP (1986)
- Chiba, JP (1990 - 1999)
Company Filing History:
Years Active: 1985-1999
Title: Hiroshi Ohtsubo: Innovator in Steel Technology
Introduction
Hiroshi Ohtsubo is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced steel technologies. With a total of 11 patents to his name, Ohtsubo's work has had a profound impact on the industry.
Latest Patents
One of his latest patents involves the creation of martensitic stainless steels for seamless steel pipes. These steels are designed to enable the fabrication of high-strength seamless steel pipes suitable for use in oil-well pipe and pipeline tubing. The innovative process allows for production without the formation of defects, enhancing the overall quality of the pipes. The heat workability of these steels has been significantly improved by controlling the levels of phosphorus and sulfur, ensuring optimal performance.
Another notable patent focuses on iron powder and mixed powder for powder metallurgy. This invention aims to control the diffusion of carbon from added graphite to iron powder particles during sintering. By improving the accuracy of dimensional changes in the sintered body, this technology enhances the production of sintered mechanical parts, making it a valuable advancement in the field.
Career Highlights
Hiroshi Ohtsubo is associated with Kawasaki Steel Corporation, where he has been instrumental in driving innovation in steel production. His expertise in materials science has positioned him as a key figure in the development of new technologies that meet the demands of modern engineering.
Collaborations
Throughout his career, Ohtsubo has collaborated with notable colleagues, including Yoshisato Kiyota and Junichi Ohta. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in steel technology.
Conclusion
Hiroshi Ohtsubo's contributions to the field of materials science, particularly in steel technology, have established him as a leading inventor. His innovative patents and collaborations continue to influence the industry, paving the way for future advancements.
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.