This inventor holds 4 USPTO granted patents. Top assignees: Canon Denshi Kabushiki Kaisha, Canon Kabushiki Kaisha. Active years: 1992-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saitama, JP (1992)
- Chichibu, JP (1992 - 2013)
Company Filing History:
Years Active: 1992-2013
Title: Hiroshi Oka: Inventor of Compact Disk-Drive Technology.
Introduction
Hiroshi Oka is an inventor associated with Chichibu, Japan. His work includes patent inventions related to disk-drive design, and he is credited with 4 patents.
Latest Patents
One of Oka’s latest listed inventions is a reduced-height magnetic disk drive unit and disk mounting device. The design uses an attracting magnet mounted directly on the rotor yoke of a disk-drive motor to hold the disk-shaped recording medium in place. This arrangement reduces the height of both the mounting device and the disk-drive unit while supporting the rotation of the disk for reading and writing information.
Career Highlights
Oka’s listed professional affiliations include Canon Denshi Kabushiki Kaisha and Canon Kabushiki Kaisha. His patent work reflects an emphasis on practical improvements to disk-drive components and compact device construction.
Collaborations
Oka’s listed coworkers include Shigeki Koizumi and Teruhiko Kitamura.
Conclusion
Hiroshi Oka’s patent record highlights his contributions to disk-drive technology, particularly a design intended to make magnetic disk-drive units more compact.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile