Company Filing History:
2 out of 42,517 
1 out of 177 Years Active: 1984-1992
Title: Kazuyuki Seino: Innovator in Electrical Engineering
Introduction
Kazuyuki Seino is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of innovative devices that enhance the functionality and efficiency of electrical systems. With a total of 2 patents to his name, Seino's work reflects a deep understanding of electro-optical technologies and noise reduction mechanisms.
Latest Patents
Seino's latest patents include an optical d.c. voltage transformer and a vibration/noise reduction device for electrical apparatus. The optical d.c. voltage transformer utilizes an electro-optic medium to measure d.c. electrical fields or voltages. This device affects polarized light through an electro-optical effect, producing an optical signal that is converted into an electrical signal for measurement. The transformer is equipped with a photodetector, a chopper, and an output unit for visual presentation of the measured voltage.
The vibration/noise reduction device is designed to counteract unwanted vibrations and sound waves generated by electrical apparatus. It employs sensors to detect vibrations, converts the analog signals into digital format, and processes them to create contrary vibrations that effectively reduce noise. This innovative approach enhances the performance and reliability of electrical devices.
Career Highlights
Kazuyuki Seino has worked with prominent companies such as Hitachi, Ltd. and The Tokyo Electric Power Company, Incorporated. His experience in these organizations has allowed him to apply his inventive skills to real-world challenges in electrical engineering.
Collaborations
Seino has collaborated with notable colleagues, including Yasuro Hori and Minoru Kanoi. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Kazuyuki Seino's contributions to electrical engineering through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the field, showcasing the importance of innovation in improving electrical systems.