Company Filing History:
Years Active: 2000-2003
Title: Hisakazu Tsuboya: Innovator in Data Transmission Technologies
Introduction
Hisakazu Tsuboya is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of data transmission, holding a total of 2 patents. His work focuses on enhancing the efficiency and reliability of data communication systems.
Latest Patents
Hisakazu Tsuboya's latest patents include a data transmitting method aimed at minimizing transmission delays for low-rate data, such as voice data. This method enhances transmission efficiency in multiplexed data communication using the AAL type 2 protocol. The system he developed involves the addition and elimination of a dummy code field, error correction, and the division and reassembly of data units. A user data unit is prepared by attaching a dummy code field and a restorative code field, which are supplied from a higher layer in a source device. The data unit is then divided into fixed-length segments, and successive code fields are attached to these segments for efficient transfer to the AAL-2 converter. In the destination device, the user data unit is reassembled from the received data blocks.
Another significant patent by Tsuboya is an ATM transmission method that incorporates a silence compression controlling function. This innovation further demonstrates his commitment to improving data transmission technologies.
Career Highlights
Hisakazu Tsuboya is currently employed at NTT Mobile Communications Network, Inc. His work at this prominent company has allowed him to focus on cutting-edge technologies in mobile communications and data transmission.
Collaborations
Throughout his career, Tsuboya has collaborated with notable colleagues, including Kazuhiro Watanabe and Masatomo Nakano. These collaborations have contributed to the advancement of innovative solutions in the field of data communication.
Conclusion
Hisakazu Tsuboya is a distinguished inventor whose work in data transmission technologies has made a significant impact on the industry. His patents reflect a deep understanding of the complexities involved in efficient data communication.