Company Filing History:
11 out of 389 
3 out of 365 
1 out of 42,508 
Years Active: 2009-2014
Title: Nozomu Harada: Innovator in Optical Disc Technology
Introduction
Nozomu Harada is a prominent inventor based in Kawasaki, Japan. He holds a total of 11 patents that showcase his contributions to the field of optical disc technology. His innovative designs have significantly improved the performance and reliability of optical disc drives.
Latest Patents
One of Harada's latest patents focuses on an optical disc drive that addresses the degradation of traveling performance of an optical pickup during hard acceleration or deceleration. By incorporating a groove structure between two gears of a guide feed in the optical pickup, he has stabilized the engagement state between the screw gear and the guide feed gears. This innovation prevents tooth jumping and step-out during the optical pickup's travel, ultimately enhancing the recording and reproducing performance of the optical disc drive.
Another notable patent is for a spindle motor attachment structure for a disc drive apparatus. This design includes a spindle motor that holds and rotates the disc, an optical head for recording or reproducing information, and a driver unit for moving the optical head. The spindle motor attachment plate features a semi-circular shape that fits the rotor portion, ensuring stability and efficiency in the disc drive's operation.
Career Highlights
Throughout his career, Nozomu Harada has worked with reputable companies such as Hitachi-LG Data Storage, Inc. and Hitachi Consumer Electronics Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in optical technology.
Collaborations
Harada has collaborated with notable coworkers, including Seiji Hamaie and Shinya Asano. Their combined expertise has fostered an environment of innovation and creativity in their projects.
Conclusion
Nozomu Harada's contributions to optical disc technology through his patents and collaborations have made a lasting impact in the field. His innovative solutions continue to enhance the performance of optical disc drives, showcasing his dedication to advancing technology.