Sadanari Fujimoto

Title: Sadanari Fujimoto: Innovator in Optical Disk Technology

Introduction

Sadanari Fujimoto is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of optical disk technology, holding a total of 4 patents. His work focuses on improving the reliability and performance of optical disks through innovative evaluation patterns.

Latest Patents

Fujimoto's latest patents include a groundbreaking design for an optical disk that features an evaluation pattern for assessing read errors. The design incorporates pits and lands with varying lengths, specifically a pit length of 3T, a land length of 6T, a pit length of 7T, a land length of 3T, a pit length of 6T, and a land length of 7T. These patterns are alternately formed in the lead-in area of the inner track on the optical disk. This test pattern data is crucial for reproducing systems to detect error rates. A compensation coefficient is acquired to minimize these error rates, allowing the reproduction signal to be compensated for optimal performance.

Career Highlights

Sadanari Fujimoto is currently employed at Kabushiki Kaisha Toshiba, where he continues to innovate in the field of optical technology. His work has been instrumental in advancing the capabilities of optical disks, making them more efficient and reliable for various applications.

Collaborations

Fujimoto has collaborated with notable coworkers, including Hiroharu Satoh and Masahiko Tanaka. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Sadanari Fujimoto's contributions to optical disk technology exemplify the importance of innovation in enhancing data storage solutions. His patents reflect a commitment to improving the reliability of optical disks, making a lasting impact in the field.