Masamichi Ito

Title: The Innovative Mind of Masamichi Ito: A Pioneer in Optical Disk Technology

Introduction: Masamichi Ito, a prominent inventor based in Fujisawa, Japan, has made significant contributions to the field of optical disk technology. With a remarkable portfolio of three patents, Ito's work focuses on enhancing the performance and reliability of optical disk drives, a critical component in data storage solutions.

Latest Patents: Among Ito's latest innovations is an advanced optical disk drive that integrates a sophisticated actuator designed to drive an objective lens. This technology allows a laser beam to precisely focus on an optical disk while controlling the focal position through a servo controller. The system features a compensation unit that generates a drive signal based on focus error signals, a noise detection unit that identifies noise components via dynamic limiter characteristics, and a correction unit that eliminates those noise components to ensure optimal focus performance. This invention effectively mitigates the influence of tracking error signals leaking into focus error signals, significantly enhancing the system's reliability.

Another notable patent is centered around an optical disk apparatus that includes a disk rotation speed control method. This invention addresses the challenge of rotating a disk at high speeds with stability, regardless of its mass eccentricity. By employing advanced filtering techniques on lens error signals and using wobble signals for control, Ito's system accurately determines when to shift the disk rotation speed. This meticulous control process leads to greater efficiency and reliability in optical disk operations.

Career Highlights: Masamichi Ito's career is closely linked with Hitachi-LG Data Storage, Inc., where he has put his inventive skills to good use in developing cutting-edge optical disk solutions. His work has positioned the company at the forefront of data storage technology, reflecting his commitment to advancing the industry.

Collaborations: Ito collaborates with skilled professionals like Hiroshi Minoda, contributing to a collective effort aimed at innovating and refining optical storage technologies. Their partnership exemplifies the synergy of ideas in crafting meaningful and impactful inventions.

Conclusion: Masamichi Ito’s contributions to optical disk technology illustrate his exceptional inventive spirit and technical prowess. His patents not only enhance the performance of optical disk drives but also lay the foundation for future advancements in data storage solutions. As technology continues to evolve, innovators like Ito remain crucial in driving the industry forward.