Takashi Kosho

Title: The Innovations of Takashi Kosho

Introduction

Takashi Kosho is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of sputtering targets and magnetic films. With a total of three patents to his name, his work has had a considerable impact on the technology used in magnetic recording mediums.

Latest Patents

Among his latest patents, Takashi Kosho has developed a sputtering target that comprises specific compositions to enhance the quality of magnetic recording layers. This invention includes a sputtering target containing from 0.001 mol % to 0.5 mol % of bismuth (Bi), 45 mol % or less of chromium (Cr), 45 mol % or less of platinum (Pt), 60 mol % or less of ruthenium (Ru), and a total of 1 mol % to 35 mol % of at least one metal oxide, with cobalt (Co) making up the balance along with inevitable impurities. Another significant patent involves a sputtering target or film characterized by containing 0.1 to 10 mol % of an oxide from a selection of iron oxide (FeO), potassium oxide (KO), sodium oxide (NaO), lead oxide (PbO), and zinc oxide (ZnO), along with 5 to 70 mol % of platinum (Pt) and the remainder being iron (Fe). These innovations address the challenge of reducing particles caused by nonmagnetic materials, thereby improving the yield during deposition processes.

Career Highlights

Throughout his career, Takashi Kosho has worked with prominent companies in the industry, including JX Metals Corporation and JX Nippon Mining & Metals Corporation. His experience in these organizations has allowed him to refine his expertise in materials engineering and contribute to advancements in magnetic recording technologies.

Collaborations

Takashi has collaborated with several professionals in his field, including Manami Masuda and Yasuyuki Iwabuchi. These partnerships have fostered innovation and the sharing of ideas, further enhancing the quality of his work.

Conclusion

In summary, Takashi Kosho is a distinguished inventor whose contributions to sputtering targets and magnetic films have significantly advanced the field of materials science. His patents reflect a commitment to improving technology in magnetic recording mediums, showcasing his expertise and innovative spirit.