Koichi Hanawa

Title: The Innovations of Koichi Hanawa

Introduction

Koichi Hanawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the production of chromium-based materials. With a total of 6 patents to his name, Hanawa's work has had a considerable impact on various industrial applications.

Latest Patents

Hanawa's latest patents include innovative methods for producing chromium sintered bodies and sputtering targets. One of his key patents describes a method for producing a chromium sintered body, which involves a heat treatment step of heat-treating electrolytic chromium flakes at temperatures between 1,200° C. and 1,400° C. This is followed by a firing step that includes filling a container with the treated flakes and firing the resulting product through hot isostatic pressing. Another significant patent focuses on a sputtering target that contains crystal grains and has an amorphous phase content of 3% by volume or less. This target includes at least one metal selected from chromium, molybdenum, and chromium-molybdenum alloys, showcasing his expertise in advanced materials.

Career Highlights

Throughout his career, Hanawa has worked with prominent companies such as Tosoh Corporation and Tosoh Specialty Materials Corporation. His experience in these organizations has allowed him to develop and refine his innovative techniques in materials production.

Collaborations

Hanawa has collaborated with notable colleagues, including Tsutomu Kuniya and Tomoyuki Oikawa. Their combined expertise has contributed to the advancement of technologies in their respective fields.

Conclusion

Koichi Hanawa's contributions to the field of materials science through his patents and collaborations highlight his role as a significant inventor. His innovative methods for producing chromium-based materials continue to influence various industries.