Company Filing History:
2 out of 203 
1 out of 42,508 
1 out of 832,880 Years Active: 2003-2011
Title: Nobuyuki Maeda: Innovator in Optical Information Technology
Introduction
Nobuyuki Maeda is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical information technology, holding a total of 4 patents. His work focuses on enhancing the reliability and efficiency of optical recording systems.
Latest Patents
Maeda's latest patents include innovative optical information recording apparatuses. These rewritable optical disk apparatuses are designed to automatically and properly adjust the optical system to achieve the optimum focal condition. This adjustment occurs regardless of the readout signal detector's positional error and the residual aberration in the optical system. The spherical aberration and defocus are coarsely adjusted using the amplitude of the tracking error signal and then finely adjusted using the amplitude of the readout signal. This precise adjustment capability significantly enhances the reliability of the readout signal.
Career Highlights
Throughout his career, Nobuyuki Maeda has worked with notable companies such as Hitachi Media Electronics Co., Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Maeda has collaborated with esteemed colleagues, including Fumio Isshiki and Kunikazu Ohnishi. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Nobuyuki Maeda's contributions to optical information technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in optical systems, paving the way for future advancements in the field.