Company Filing History:
Years Active: 1991-2002
Title: The Innovations of Shusei Aoki: Leading the Way in Optical Technologies
Introduction
Shusei Aoki, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of optical technology through his innovative patents. With a total of three patents to his name, Aoki's work focuses primarily on optical fiber amplifiers and alarm surveillance for optical transmission systems. His groundbreaking inventions are paving the way for advancements in telecommunications.
Latest Patents
Aoki's latest patent, an **Optical Fiber Amplifier**, details a system that includes a pre-amp and a post-amp connected in series, a photocoupler, a long wave pass filter (LWPF), and an LWPF controller. The photocoupler connects to the input stage of the amplifier and inputs the light signal into the LWPF controller. Strategically positioned between the pre-amp and post-amp, the LWPF has an adjustable cutoff wavelength to effectively eliminate the short-wavelength portion of the light signal amplified by the pre-amp. The LWPF controller detects the input signal power and adjusts the cutoff wavelength accordingly, allowing for equalized gain of output light signals across varying input power levels and a wide range of signal wavelengths.
Another notable patent focuses on a **Method and Apparatus for Alarm Surveillance for Optical Transmission**. This invention details a system where each optical repeater in an optical transmission system is equipped with an optical amplifier and a control circuit. This control circuit not only checks the status of the optical amplifier but also generates and transmits management information to the next repeater in the chain. The management information includes vital data on any failures and is transformed into an optical signal for further transmission. This dynamic system allows receiving stations to easily detect and prioritize management information related to the optical transmission line.
Career Highlights
Shusei Aoki currently works at Oki Electric Industry Co., Ltd., a company renowned for its technological innovations in the telecommunications sector. His career is marked by a commitment to advancing optical transmission technology, bringing his inventions to life and making a significant impact on the industry.
Collaborations
Aoki's achievements are enhanced through collaboration with esteemed colleagues, including Katsuhiro Ishimura and Hiroshi Takamoto. Working alongside these talented individuals, Aoki has been able to push the boundaries of optical technology and contribute to comprehensive solutions in telecommunications.
Conclusion
Shusei Aoki's inventive spirit and dedication to innovation have made him a vital figure in the field of optical technologies. His patented inventions not only demonstrate his expertise but also hold immense potential for enhancing optical communication systems. As technology continues to advance, Aoki's contributions will undoubtedly play a crucial role in the future of telecommunications.