Hisakatsu Nishihara

Title: Hisakatsu Nishihara: Innovator in Stainless Steel Technology

Introduction

Hisakatsu Nishihara is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced stainless steel alloys. With a total of 6 patents to his name, Nishihara's work has had a lasting impact on various industrial applications.

Latest Patents

Nishihara's latest patents include innovative advancements in stainless cast steel. One notable patent is for a two-phase stainless cast steel that boasts high corrosion fatigue strength. This steel features a ferrite-austenite two-phase structure and is designed to resist pitting corrosion. The composition includes up to 0.1% C, up to 2.0% Si, up to 2.0% Mn, 22.0-27.0% Cr, 5.0-9.0% Ni, 1.1-2.5% Mo, 0.5-2.5% Cu, 0.5-2.0% Co, and 0.5-2.0% V, with optional additions of Nb, Ta, and Ti. Another significant patent involves an assembly roll designed for high-temperature service in continuous slab casting, featuring a sleeve that is shrinkage-fitted onto the roll shaft for optimal performance.

Career Highlights

Throughout his career, Nishihara has worked with notable companies such as Kubota Corporation and Toyo Engineering Corporation. His experience in these organizations has allowed him to refine his expertise in materials engineering and contribute to groundbreaking innovations in stainless steel technology.

Collaborations

Nishihara has collaborated with esteemed colleagues, including Keizo Konoki and Takanobu Shinohara. These partnerships have fostered a collaborative environment that has led to the development of advanced materials and technologies.

Conclusion

Hisakatsu Nishihara's contributions to the field of stainless steel technology exemplify the spirit of innovation. His patents and collaborations have significantly advanced the industry, making him a noteworthy figure in materials science.