This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Sony Corporation. Active years: 2000-2013.
Company Filing History:
Years Active: 2000-2013
Title: Nobuyuki Asai: Innovator in Optical Disk Technology
Introduction
Nobuyuki Asai is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical disk technology, holding a total of 3 patents. His work has been instrumental in advancing the capabilities of optical disk reproducing and recording devices.
Latest Patents
Asai's latest patents include innovative devices that enhance the functionality of optical disks. One of his notable inventions is an optical disk reproducing device, which features a signal reproducing section designed to read and decode information recorded on an optical disk. This device includes a gain controlled amplifier circuit that amplifies a radio frequency signal generated from a light receiving element. Additionally, it incorporates an automatic gain control circuit to manage the gain of the amplifier, along with a signal processing section that generates control signals for adjusting the optical pickup unit.
Another significant patent is a frequency control device and information reproduction apparatus. This invention is capable of detecting a frame sync pattern and generating accurate frequency information, even when the reproduction signal is not zero-crossed. The apparatus includes an oscillation circuit that outputs a clock corresponding to a control signal, a converter that samples an input analog signal, and a frequency detection device that identifies sync patterns from the digital signal.
Career Highlights
Nobuyuki Asai has built a successful career at Sony Corporation, where he has been able to apply his expertise in optical technologies. His innovative contributions have played a crucial role in the development of advanced optical disk systems.
Collaborations
Throughout his career, Asai has collaborated with talented individuals such as Yuji Gendai and Satoshi Kato. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the optical disk domain.
Conclusion
Nobuyuki Asai's work in optical disk technology exemplifies the spirit of innovation. His patents reflect a deep understanding of the complexities involved in optical systems, and his contributions continue to influence the industry.