This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignee: Fujitsu Corporation. Active years: 1997-2013.
Location History:
- Oyama, JP (1997)
- Yokohama, JP (2002)
- Kawasaki, JP (2011 - 2013)
Company Filing History:
Years Active: 1997-2013
Title: Sunao Itou: Innovator in Optical Interface Technology
Introduction
Sunao Itou is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical interface technology, holding a total of 7 patents. His work focuses on improving the efficiency and reliability of optical communication systems.
Latest Patents
Among his latest patents are two notable inventions: an optical interface device and an abnormality monitoring method for input frequency deviation. The optical interface device is designed to determine whether the frequency deviation of a clock signal, corresponding to an optical signal from a client side, is abnormal. It does this by analyzing the amount of data being processed during a stuffing process. When an abnormal frequency deviation is detected, the device inserts an alarm indication signal (AIS) into a predetermined region of the data signal. This allows for easier identification of the location of the abnormal state in the system.
Additionally, his transfer apparatus includes a receiver that extracts a clock signal from an input signal. It features an input signal interruption detector that identifies whether an input signal is present. The apparatus also includes an oscillator and a frequency setter that adjusts the oscillation frequency to ensure it falls outside the passband width of a filter when an input signal is detected.
Career Highlights
Sunao Itou is currently employed at Fujitsu Corporation, where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing the capabilities of optical communication systems, making them more robust and efficient.
Collaborations
He collaborates with talented colleagues, including Tomoko Sato and Hideyuki Kikuchi, who contribute to the development of cutting-edge technologies in their respective fields.
Conclusion
Sunao Itou's contributions to optical interface technology have made a significant impact on the industry. His innovative patents and ongoing work at Fujitsu Corporation highlight his dedication to advancing communication technologies.