Company Filing History:
Years Active: 1976-1977
Title: Hirotaka Usuda: Innovator in Telephone Switching Systems
Introduction
Hirotaka Usuda is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of telephone switching systems, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of automatic exchange systems.
Latest Patents
Usuda's latest patents include a "Line Identifying System of Common Control Type Automatic Exchange." This invention employs a line identifier that connects to multiple switch frames, allowing for efficient operation by cutting off and preparing the operating circuit of the connector relay based on instructions received. Another significant patent is the "Switching System of Stored Program Control Type." This system identifies the position of a calling subscriber and detects the busy status of a called line, thereby eliminating the need for memory storage in the central controller.
Career Highlights
Hirotaka Usuda is currently employed at Hitachi, Ltd., where he continues to innovate in the telecommunications sector. His work has been instrumental in developing systems that streamline communication processes and improve user experience.
Collaborations
Usuda collaborates with various professionals in his field, including his coworker Hirotoshi Shirasu. Their combined expertise contributes to the advancement of technology in telephone switching systems.
Conclusion
Hirotaka Usuda's contributions to the field of telecommunications through his innovative patents demonstrate his commitment to improving communication technology. His work at Hitachi, Ltd. continues to influence the industry positively.