Company Filing History:
2 out of 80 
1 out of 173 
1 out of 21,351 
Years Active: 1988-2001
Title: Isao Koda: Innovator in Harmonic Measurement Technology
Introduction
Isao Koda is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of harmonic measurement technology, holding a total of 4 patents. His work focuses on improving the accuracy and efficiency of measuring harmonic components in electric power systems.
Latest Patents
Koda's latest patents include a harmonic measuring method and a current injection device for harmonic measurement. The harmonic injection point is strategically set on a power line extending downstream from a harmonic measuring point in an electric power system. This innovative device allows for the injection of interharmonic currents at specific frequencies, which are nonintegral multiples of the fundamental wave frequency. By detecting the current and voltage values at the harmonic measuring point, Koda's method enables the determination of admittance values for the equivalent circuit of the power line. This process ultimately aids in measuring the harmonic characteristics of the power line.
Another significant patent by Koda is a harmonic component measuring method for power systems. This method involves determining frequencies between the measurement harmonic and adjacent harmonics. By injecting inter-harmonic currents into a power system and measuring the resulting voltages and currents, Koda's technique calculates admittances for the inter-harmonics. This interpolation processing allows for the accurate determination of admittance for the measurement harmonic.
Career Highlights
Throughout his career, Isao Koda has worked with various companies, including Nissin Electric Co., Ltd. His experience in the industry has greatly influenced his innovative approaches to harmonic measurement technology.
Collaborations
Koda has collaborated with notable individuals in his field, including Masakazu Tsukamoto and Shoji Nishimura. These collaborations have contributed to the advancement of technology in harmonic measurement.
Conclusion
Isao Koda's contributions to harmonic measurement technology have established him as a prominent inventor in this field. His innovative patents and collaborative efforts continue to influence the industry and improve the accuracy of electric power system measurements.