Location History:
- Naka, JP (1991 - 1995)
- Kyoto, JP (1994 - 1995)
Company Filing History:
Years Active: 1991-1995
Title: **The Innovations of Kihachiro Ohta**
Introduction
Kihachiro Ohta, an inventive mind located in Naka, Japan, has made significant contributions to technology with a total of seven patents to his name. His work primarily focuses on improving hard disk apparatus and spindle motors, demonstrating his dedication to enhancing data storage technologies.
Latest Patents
Among Kihachiro Ohta's latest innovations is the **low airflow hard disk apparatus**, designed to optimize the performance and efficiency of hard disks. This apparatus incorporates a base, cover member, and a rotational portion within a disk chamber, highlighting a hard disk that rotates seamlessly with minimal airflow. Notably, the design features first and second projection portions that act as radially extending fins, effectively preventing air flow generated by the rotation of the hard disk.
Another remarkable invention by Ohta is a **spindle motor** equipped with advanced structural elements. This motor consists of a housing, a rotatable hub member, and a bearing means that allows smooth operation. The innovative design includes a rotor magnet and a stator that work together to create an air seal structure, further enhanced by a magnetic fluid seal that grounds static electricity and improves the overall functionality of the motor.
Career Highlights
Kihachiro Ohta is currently associated with Nippon Densan Corporation, where he utilizes his expertise to develop cutting-edge technologies in the field of hard disk drives and motors. His work in this company has positioned him as a key player in the technological advancements of data storage solutions.
Collaborations
Throughout his career, Ohta has collaborated with esteemed colleagues such as Kuniyasu Iwazaki and Kiyoyoshi Takegami. These partnerships have fostered an environment of innovation and have contributed to the successful development of various patents.
Conclusion
Kihachiro Ohta exemplifies the spirit of innovation in the field of technology, with his patent portfolio reflecting his commitment to improving hard disk apparatus and spindle motors. His contributions through Nippon Densan Corporation continue to impact the industry, showcasing his role as a prominent inventor. As technology evolves, Ohta's work will undoubtedly remain influential in shaping the future of data storage.