Takehiko Sekine

Title: Takehiko Sekine: A Pioneer in Optical Disk Technology

Introduction

Takehiko Sekine is a notable inventor based in Yokohama, Japan, recognized for his contributions to optical disk technology. With an impressive portfolio of 11 patents, Sekine has made significant advancements in the field, particularly in the design and functionality of disk recording apparatuses.

Latest Patents

Among his latest innovations, Sekine has developed a disk recording apparatus and disk recording method. This invention is designed to specify both a recording address and a recording position on an optical disk using a wobble phase modulation (PM) format. By utilizing a wobble reproduced signal along with a track reproduced signal, the apparatus effectively detects address information and synchronous signals corresponding to the signals from the optical disk. This detection allows for accurate specification of disk recording tracks and synchronization timing for linking positions.

Another significant patent is the optical disk recording apparatus and method, which enhances recording accuracy despite positional shifts. This innovation includes a sync detection mechanism that operates reliably even in the presence of sync pattern errors. By ensuring synchronization through a rigorous detection process, Sekine's invention improves the stability and reliability of optical disk recordings.

Career Highlights

Takehiko Sekine has worked with reputable companies, including Hitachi, Ltd. and Hitachi Video Engineering, Incorporated. His experience in these organizations has allowed him to deepen his expertise and contribute effectively to the development of cutting-edge technologies in the field of optical disks.

Collaborations

Throughout his career, Sekine has collaborated with fellow innovators such as Takuya Mizokami and Atsushi Saito. These partnerships have enabled him to enhance his work and elevate the quality of the inventions he brings to the market.

Conclusion

Takehiko Sekine continues to be a pivotal figure in the realm of optical disk technology. His inventions not only address current challenges in the field but also pave the way for future innovations. With a strong foundation built on his patents and collaborations, Sekine's contributions are sure to impact the technological landscape for years to come.