Company Filing History:
Years Active: 1979-1982
Title: Hirofumi Ohta: Innovator in Magnetic Bubble Memory Technology
Introduction
Hirofumi Ohta is a prominent inventor based in Mobara, Japan. He has made significant contributions to the field of magnetic bubble memory technology, holding a total of 5 patents. His work has been instrumental in advancing the capabilities of magnetic memory devices.
Latest Patents
Ohta's latest patents include a magnetic bubble memory element with a heat sink. This innovative design features a conductor pattern layer that includes a hairpin-shaped conductor loop for generating or dividing magnetic bubbles. Additionally, a heat sink pattern layer is integrated close to the hairpin portion of the conductor loop, enhancing its performance. Another notable patent is for a magnetic bubble memory device, which is arranged to ensure that the major surface of the chip does not cross perpendicularly with the external bias magnetic field. This design allows for a component of the bias magnetic field to be parallel to the major surface, improving the stability and operation of the device.
Career Highlights
Hirofumi Ohta is currently employed at Hitachi, Ltd., where he continues to innovate in the field of magnetic memory technology. His work has garnered attention for its practical applications and contributions to the advancement of memory devices.
Collaborations
Ohta has collaborated with notable colleagues, including Minoru Hiroshima and Toshio Futami. Their combined expertise has contributed to the successful development of various technologies in the field.
Conclusion
Hirofumi Ohta's contributions to magnetic bubble memory technology have established him as a key figure in the industry. His innovative patents and collaborations continue to influence the future of memory devices.