Tomiyuki Numata is a prominent inventor based in Tenri, Japan. He has made significant contributions to the field of optical technology, holding a total of 17 patents. His work focuses on advancements in drive control apparatuses and optical pickup devices, showcasing his expertise and innovative spirit.

Latest Patents

Numata's latest patents include a drive control apparatus, drive control method, and optical pickup apparatus. The drive control apparatus involves a control unit that drives a collimator lens from an origin position using a specific pulse rate. It returns the lens to the origin at a higher pulse rate, counting the required drive pulses and adjusting the rates until a step-out is detected. This method enhances the correction of spherical aberration. Another notable patent is the optical miniaturized module, which features a semiconductor laser, a diffraction grating, and a polarization hologram. This module is designed to improve the efficiency of optical disk devices by effectively managing the laser light and reflected signals.

Career Highlights

Numata is associated with Sharp Kabushiki Kaisha Corporation, where he has contributed to various innovative projects. His work has not only advanced the company's technological capabilities but has also set new standards in the optical technology industry.

Collaborations

Throughout his career, Numata has collaborated with notable colleagues, including Kunio Kojima and Shigemi Maeda. These partnerships have fostered a creative environment that has led to groundbreaking innovations in their respective fields.

Conclusion

Tomiyuki Numata's contributions to optical technology through his numerous patents and collaborations highlight his role as a leading inventor. His innovative spirit continues to influence advancements in the industry, making a lasting impact on technology.

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