This inventor holds 4 USPTO granted patents. Top assignees: Teac Corporation, Kogyo Kaihatsu Kenkyusho. Active years: 1978-2001.
Company Filing History:
Years Active: 1978-2001
Title: Innovations of Yukihiko Okada
Introduction
Yukihiko Okada is a notable inventor based in Musashino, Japan. He has made significant contributions to the field of optical media, particularly in the quality assessment of CD-ROMs. With a total of 4 patents to his name, Okada's work has had a lasting impact on the technology surrounding data storage and retrieval.
Latest Patents
One of Okada's latest patents is a method and apparatus for checking the quality of CD-ROMs. This invention addresses the issues faced by CD-ROMs of poor quality, which can have eccentric center holes or uneven weight distributions. Such defects can lead to wobbling or vibration when the disks are driven at high speeds, resulting in read errors and retries. The patented method involves checking each CD-ROM's quality based on the speed of rotation at which the disk drive motor achieves a steady state upon startup. Poor quality disks are read at four times the standard audio CD speed, while intermediate quality disks are read at eight times that speed, and good quality disks at twelve times that speed.
Career Highlights
Throughout his career, Yukihiko Okada has worked with several prominent companies, including Teac Corporation and Kogyo Kaihatsu Kenkyusho. His experience in these organizations has contributed to his expertise in optical media technology and innovation.
Collaborations
Okada has collaborated with notable coworkers such as Mitsumasa Kubo and Shin Hori. Their combined efforts have further advanced the field of optical media and quality assessment.
Conclusion
Yukihiko Okada's contributions to the technology of CD-ROM quality assessment demonstrate his innovative spirit and dedication to improving data storage solutions. His patents continue to influence the industry and enhance the reliability of optical media.