This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., The Tokyo Electric Power Company, Incorporated. Active years: 1977-1984.
Location History:
- Hitachi, JA (1977)
- Tohkai, JP (1984)
Company Filing History:
2 out of 42,719 
1 out of 177 Years Active: 1977-1984
Title: Kazuo Seo: Innovator in Transmission Line Protection and Digital Signal Coding
Introduction
Kazuo Seo is a notable inventor based in Hitachi, Japan. He has made significant contributions to the fields of electrical engineering and digital signal processing. With a total of 2 patents, his work focuses on enhancing the safety and efficiency of transmission lines and improving coding techniques for digital signals.
Latest Patents
Seo's latest patents include a "Protecting System for Transmission Lines" and "Coding Equipment Providing Compressed Code." The protecting system for transmission lines involves a sophisticated setup where terminals are connected to bus lines through breakers and to the earth via earth switches. This system utilizes protecting relay devices that receive outputs from voltage and current transformers, as well as contact signals from breakers and earth switches. These devices are designed to detect faults in transmission lines, allowing for timely tripping of breakers and confirmation of their open states. The coding equipment patent focuses on converting parallel digital signals from an AD converter into a serial digital signal. This innovation reduces the number of bits required for coding by adjusting the weight of the output based on the analog quantity being converted.
Career Highlights
Throughout his career, Kazuo Seo has worked with prominent companies such as Hitachi, Ltd. and Tokyo Electric Power Company. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in electrical engineering.
Collaborations
Seo has collaborated with notable colleagues, including Keizo Nakayama and Masami Okamura. Their teamwork has fostered an environment of innovation and creativity, leading to the development of impactful technologies.
Conclusion
Kazuo Seo's contributions to the fields of transmission line protection and digital signal coding highlight his role as a significant inventor. His patents reflect a commitment to enhancing safety and efficiency in electrical systems. His work continues to influence the industry and inspire future innovations.