Katsunobu Okutani

Title: The Innovations of Katsunobu Okutani

Introduction

Katsunobu Okutani is a notable inventor based in Ichikawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of ferrite materials. With a total of 3 patents to his name, Okutani's work has had a considerable impact on various applications in technology.

Latest Patents

One of his latest patents involves a Mn-Zn ferrite that contains a maximum of 0.005 wt. % phosphorus. This innovation is crucial for enhancing the properties of ferrite materials used in electronic applications. Another significant patent is for a purified solution containing iron and manganese, which has a phosphorus content not exceeding about 0.007 wt. % relative to the total content of iron and manganese. The method for producing this purified solution includes dissolving manganese-containing raw material in hydrochloric solution, oxidizing the solution, adjusting the pH to between 2.5 and 4.5 to form insolubles, and separating these insolubles from the solution. This solution can be utilized to produce a mixed powder of iron oxide and manganese oxide, which is beneficial for creating high-quality soft ferrite.

Career Highlights

Throughout his career, Katsunobu Okutani has worked with prominent companies such as TDK Corporation and Chemirite, Ltd. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.

Collaborations

Okutani has collaborated with notable colleagues, including Naoe Hirai and Tohoru Murase. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Katsunobu Okutani's contributions to the field of materials science, particularly through his innovative patents, highlight his role as a significant inventor in Japan. His work continues to influence advancements in technology and materials development.