Location History:
- Tokyo, JP (1999 - 2003)
- Tama, JP (2003 - 2017)
Company Filing History:
11 out of 52,730 
1 out of 99 
1 out of 120 
Years Active: 1999-2017
Title: Katsuhiko Sekiguchi: Innovator in Control Systems and Protection Technologies
Introduction
Katsuhiko Sekiguchi, an accomplished inventor based in Tama, Japan, holds an impressive portfolio of 11 patents. His innovative contributions primarily focus on control systems and protection technologies, showcasing his expertise in advancing electrical engineering and safety measures.
Latest Patents
Among his latest patents, Sekiguchi has developed a variety of cutting-edge technologies. One notable patent involves a control system that incorporates an A/D conversion unit with a modulating device. This device samples an analog electric quantity at a predetermined modulation frequency, outputting a time-varying bit stream obtained through modulation. Additionally, the digital operation processing unit features multiple digital filters whose frequency characteristics adjust according to the type of protection control operation.
Another significant invention is his protection relay device, which consists of an analog-to-digital converter that transforms an analog signal from an input unit into digital data. It also includes a variable filter controlled externally to enhance the filtering process. The adaptive controller is designed to adjust the filter coefficient dynamically, ensuring a closer alignment between filtered digital data and a target signal.
Career Highlights
Throughout his career, Katsuhiko Sekiguchi has made noteworthy contributions while working for major companies, including Toshiba Corporation. He has also engaged academically at Yokohama National University, linking industry with innovative research.
Collaborations
Sekiguchi has collaborated with several eminent individuals in his field, including Michio Masui and Yoshihiro Shirota. These partnerships have fostered innovative solutions and advancements in electrical and control systems.
Conclusion
Katsuhiko Sekiguchi's innovative spirit and extensive patent portfolio underscore his significant role in the development of control systems and protection technologies. His contributions reflect a commitment to enhancing electrical safety and efficiency, marking him as a noteworthy inventor in the tech landscape.