Yutaka Imamura

Title: Yutaka Imamura: Innovator in Optical Disk Technology

Introduction

Yutaka Imamura is a notable inventor based in Sawa-gun, Japan. He has made significant contributions to the field of optical disk technology, holding 2 patents that showcase his innovative approach to recording and reproducing data on optical disks.

Latest Patents

Imamura's latest patents include an optical disk recording/reproducing method and apparatus. This invention detects the recording properties of the disk when the recording speed is changed. The operation for recording a signal onto a disk is interrupted if the amount of signal data stored in a buffer RAM is less than a predetermined interruption setting value. When the signal data in the buffer RAM increases to a resumption setting value, the previously recorded signal is reproduced, allowing the recording operation to resume based on this reproduced signal. Additionally, recording properties are detected by the signal reproduced before the resumption of recording.

Another significant patent is the laser output circuit for optical disk recording apparatus. In this invention, a disk is divided into various regions, including a trial writing region and a read-out region. The disk is rotated at a constant angular speed, and a test signal is recorded in the trial writing region. The recorded test signals are then read, and a laser output value is set based on the reproduced test signals from the two regions.

Career Highlights

Yutaka Imamura is currently employed at Sanyo Electric Co., Ltd., where he continues to develop innovative technologies in the field of optical disks. His work has contributed to advancements in data storage and retrieval methods, enhancing the efficiency and reliability of optical disk systems.

Collaborations

Imamura has collaborated with notable coworkers, including Toshihiko Hiroshima and Yasushi Hanamoto. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Yutaka Imamura's contributions to optical disk technology through his patents and work at Sanyo Electric Co., Ltd. highlight his role as a key innovator in the field. His inventions continue to influence the way data is recorded and reproduced, showcasing the importance of innovation in technology.