Location History:
- Kobe, JP (1995)
- Hyogo, JP (1991 - 1998)
Company Filing History:
8 out of 21,351 
2 out of 195 
1 out of 17 
Years Active: 1991-1998
Title: **Hatsuhiko Naitoh: Innovator in A.C. Signal Detection**
Introduction
Hatsuhiko Naitoh, an accomplished inventor based in Hyogo, Japan, has made significant contributions to the field of electrical engineering, particularly in the detection of alternating current (A.C.) signals. With a total of 8 patents under his name, Naitoh's work reflects his expertise and innovative approach to complex technical challenges.
Latest Patents
Naitoh's latest patents include an advanced apparatus for detecting the amplitude and phase of an A.C. signal. This sophisticated apparatus features a signal detection circuit designed to identify the A.C. signal, along with a signal splitting circuit that divides the detected signal into two components that are 90 degrees out of phase. The signal splitting circuit consists of a first-order lag circuit, a subtractor, and two amplifying circuits. Furthermore, it includes a phase compensation circuit that enhances the output signal's phase by considering the lag introduced by the first-order lag circuit. The amplitude and phase detection circuit within the apparatus is capable of transforming the first and second A.C. signals into polar coordinates, enabling accurate detection of the signal's amplitude and phase characteristics.
Career Highlights
Throughout his career, Hatsuhiko Naitoh has worked with notable companies such as Mitsubishi Electric Corporation and The Kansai Electric Power Co., Inc. His experience in these leading organizations has allowed him to develop his skills and contribute to various innovative projects.
Collaborations
Naitoh has collaborated with distinguished colleagues in his field, including Toshiyuki Fujii and Shinzo Tamai. These partnerships have been instrumental in fostering innovation and enhancing the quality of their collective work in signal detection technologies.
Conclusion
Hatsuhiko Naitoh stands out as a dedicated inventor whose work has had a lasting impact on the electrical engineering sector. His innovative approaches to A.C. signal detection, evidenced by his patents, reflect his commitment to advancing technology. As he continues his work, Naitoh's contributions are sure to inspire the next generation of inventors and engineers.