Location History:
- Kodaira-shi, Tokyo, JP (1989)
- Hinodemachi, Nishitama-gun, Tokyo, JP (1990)
- Nishitama, JP (1992)
- Nishitama-gun, Tokyo, JP (1994)
- Kodaira, JP (1985 - 1995)
- Tokyo, JP (1987 - 2012)
Company Filing History:
13 out of 42,496 
6 out of 255 
2 out of 44 
Years Active: 1985-2012
Title: The Innovations of Yutaka Harada in Electromagnetic Flow Measurement
Introduction
Yutaka Harada is a renowned inventor based in Tokyo, Japan, known for his significant contributions to the field of electromagnetic flow measurement. With an impressive portfolio of 27 patents, Harada has demonstrated exceptional creativity and technical skill in devising new solutions in this specialized area.
Latest Patents
One of Harada’s notable inventions is the capacitive electromagnetic flowmeter, which has two primary advancements. The first aspect involves treating the surface of a signal electrode as a substrate. By removing the oxide film from the electrode's surface through roughening, Harada enhances the adhesive force of a fluororesin coating. This results in a robust bond between the fluororesin and the resin lining, ensuring increased adhesion without compromising the integrity of the signal electrode.
The second aspect of his latest patent pertains to maintaining constant voltage in a constant current circuit. Harada's innovative method utilizes an operational amplifier and a field-effect transistor to ensure that the gate and drain of the transistor exhibit the same potential in an AC manner. This design effectively raises the input impedance of the field-effect transistor, similar to using a feedback capacitor, enhancing the overall performance of the device.
Career Highlights
Throughout his career, Yutaka Harada has contributed to prestigious companies, including Hitachi, Ltd. and the Research Development Corporation of Japan. His expertise in electromagnetic flow measurement and invention led to the development of advanced technologies that have gained recognition in the industry.
Collaborations
Harada has worked alongside notable colleagues, such as Ushio Kawabe and Toshikazu Nishino. Their collaborative efforts have further propelled innovation in the realm of electromagnetic measurement and have contributed to the successful outcomes of several projects.
Conclusion
Yutaka Harada's dedication to innovation has made a lasting impact on the field of flow measurement technology. With a strong portfolio of patents and collaborative achievements, he continues to inspire future generations of inventors and engineers. His work not only demonstrates the intersection of creativity and technology but also signifies the importance of innovation in advancing industrial applications.