Norio Ohkouchi

Norio Ohkouchi is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of materials science, particularly in the development of high-strength and corrosion-resistant spring steels. With a total of 3 patents to his name, Ohkouchi's work has had a substantial impact on various industrial applications.

Latest Patents

Ohkouchi's latest patents focus on innovative spring steel formulations. One of his notable inventions is a spring steel that exhibits high corrosion resistance and strength, achieving a remarkable strength of 1900 MPa or more through quenching and tempering. This steel is designed to maintain excellent drawability without the need for softening heat treatment after hot rolling. Additionally, he has developed a spring steel that enhances resistance to hydrogen embrittlement by incorporating elements such as Ti, Nb, Zr, Ta, and Hf. This innovation allows for the production of valve springs and suspension springs with improved fatigue life and stress resistance.

Career Highlights

Norio Ohkouchi is associated with Kabushiki Kaisha Kobe Seiko Sho, where he has been instrumental in advancing spring steel technology. His expertise in materials science has positioned him as a key figure in the development of high-performance steel products.

Collaborations

Ohkouchi has collaborated with notable colleagues, including Masataka Shimotsusa and Takenori Nakayama. Their combined efforts have contributed to the successful development of innovative materials that meet the demands of modern engineering.

Conclusion

Norio Ohkouchi's contributions to the field of spring steel technology exemplify his dedication to innovation and excellence. His patents reflect a commitment to enhancing material performance, which is crucial for various industrial applications.