Company Filing History:
2 out of 42,485 
1 out of 182 
Years Active: 1989-1998
Title: Sumie Nakabayashi: Innovator in Communication Technology
Introduction
Sumie Nakabayashi is a notable inventor based in Yokohama, Japan. She has made significant contributions to the field of communication technology, holding 2 patents that showcase her innovative spirit and technical expertise.
Latest Patents
One of her latest patents is a cordless telephone system capable of transmitting abbreviated numbers. This system includes a base station and at least one personal station, featuring an abbreviated dial memory for storing abbreviated dial data. The control unit manages the telecommunication device, while the abbreviated dial transfer unit selectively transmits the stored data to another device. This innovation allows for efficient communication by utilizing an empty channel or a control channel for data transfer.
Another significant patent is an echo suppressor designed for communication systems. This device addresses the issue of signal delay when a transmitted signal is returned to a receiving line. The suppressor includes an attenuator that reduces the amplitude of the received speech signal. By comparing the amplitude levels of the transmitting and receiving speech signals, the system generates a control signal for the attenuator. This technology minimizes echo without compromising the clarity of speech, particularly at the beginning of a conversation.
Career Highlights
Throughout her career, Sumie Nakabayashi has worked with prominent companies such as Hitachi, Ltd. and Hitachi VLSI Engineering Corporation. Her experience in these organizations has allowed her to develop and refine her innovative ideas in communication technology.
Collaborations
Sumie has collaborated with talented individuals in her field, including Takanori Miyamoto and Yoshiro Suzuki. These partnerships have contributed to her success and the advancement of her inventions.
Conclusion
Sumie Nakabayashi is a pioneering inventor whose work in communication technology has made a lasting impact. Her patents reflect her dedication to innovation and her ability to solve complex problems in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.