Company Filing History:
Years Active: 1985-1988
Title: Masatoshi Otake: Innovator in Optical Disc Technology
Introduction
Masatoshi Otake is a prominent inventor based in Ome, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 2 patents. His work focuses on improving information recording and reproduction methods, which are essential for the functionality of optical media.
Latest Patents
Otake's latest patents include an "Information recording medium and method for reproducing the same." This invention involves an optical disk where one turn of a recording track is divided into several sectors. Each sector contains a servo field with pre-stored tracking information and a data recording area for writing data. A predetermined number of these sectors are combined to form multiple blocks, each recorded with identification information and phase synchronization loop pull-in information for readout clocks.
Another notable patent is the "Device for optically tracking information." This device features a photodetector positioned on the optical axis of an optical system, guiding diffracted waves to the photodetector. The photodetector is divided into four equal parts, and signals are generated to indicate the direction of light beam deviation from the information track, facilitating accurate tracking.
Career Highlights
Masatoshi Otake is currently employed at Hitachi, Ltd., where he continues to innovate in the field of optical technology. His work has been instrumental in advancing the capabilities of optical discs, making them more efficient and reliable for data storage and retrieval.
Collaborations
Otake has collaborated with notable colleagues such as Toshiaki Tsuyoshi and Seiji Yonezawa. Their combined expertise has contributed to the development of cutting-edge technologies in optical media.
Conclusion
Masatoshi Otake's contributions to optical disc technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the way data is recorded and accessed, ensuring advancements in information technology.