Company Filing History:
Years Active: 1994-2001
Title: Atsuko Ohkawa: Innovator in Magnetic Head Technology
Introduction
Atsuko Ohkawa is a prominent inventor based in Yokohama, Japan. She has made significant contributions to the field of magnetic head technology, holding a total of 4 patents. Her work has been instrumental in advancing the performance and efficiency of magnetic head elements used in various applications.
Latest Patents
Ohkawa's latest patents include innovative designs for thin film magnetic heads. One of her notable inventions is a thin film magnetic head having non-linear tapered rails. This magnetic head element features one or more rails formed on its surface, each with a tapered angle of 55-85 degrees. The manufacturing process involves ion milling, where the rail substrate is inclined at an angle of 15-60 degrees and rotated. The ion milling gas used can be a fluorinated hydrocarbon or a mixed gas, which helps achieve a small variation in flying height between the magnetic bead and the magnetic disc. Another patent focuses on a similar design, ensuring minimal variation in flying height between the magnetic head and the magnetic disc.
Career Highlights
Atsuko Ohkawa is currently employed at Hitachi, Ltd., where she continues to innovate in the field of magnetic technology. Her expertise and dedication have led to advancements that enhance the performance of magnetic heads, making them more efficient and reliable.
Collaborations
Ohkawa has collaborated with notable colleagues, including Yasuo Hira and Tamaki Toba, who have contributed to her research and development efforts. Their teamwork has fostered an environment of innovation and creativity within the company.
Conclusion
Atsuko Ohkawa's contributions to magnetic head technology exemplify her commitment to innovation and excellence. Her patents reflect her expertise and the impact of her work on the industry.