This inventor holds 6 USPTO granted patents and 5 published patent applications and 4 EPO patents. Top assignees: Hitachi Metals, Ltd., Honda Motor Co., Ltd.. Active years: 2013-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
6 out of 2,333 
2 out of 22,006 
Years Active: 2013-2019
Title: Katsuhiko Ohishi: Innovator in Maraging Steel Production
Introduction
Katsuhiko Ohishi is a notable inventor based in Yasugi, Japan. He has made significant contributions to the field of materials science, particularly in the production of maraging steel. With a total of 6 patents to his name, Ohishi's work has advanced the understanding and application of this specialized steel.
Latest Patents
Ohishi's latest patents include innovative methods for producing maraging steel and consumable electrodes. One of his inventions outlines a production method for maraging steel that incorporates an oxide during the magnesium oxide formation step. This method involves adding magnesium to molten steel, forming magnesium oxide during primary melting, and subsequently solidifying the molten steel to create a consumable electrode with residual magnesium oxide. Another significant patent details a maraging steel strip designed to reduce the content of titanium nitride, which is known to act as a starting point for fatigue fractures. This strip improves bending fatigue strength through the precipitation hardening effect of coherent nitrides in the nitrided structure.
Career Highlights
Throughout his career, Katsuhiko Ohishi has worked with prominent companies such as Hitachi Metals, Ltd. and Honda Motor Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in steel production and applications.
Collaborations
Ohishi has collaborated with notable colleagues, including Toshihiro Uehara and Kunichika Kubota. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of materials science.
Conclusion
Katsuhiko Ohishi's contributions to the field of maraging steel production exemplify the impact of innovation in materials science. His patents and collaborations highlight the importance of continuous research and development in advancing industrial applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile