Company Filing History:
Years Active: 1988-1989
Title: Hiromi Kosawa: Innovator in Frequency Response Measurement and Distortion Testing
Introduction
Hiromi Kosawa is a prominent inventor based in Gyoda, Japan. She has made significant contributions to the field of measurement technology, particularly in the areas of frequency response function measurement and distortion testing in electrical devices. With a total of 3 patents, her work has advanced the capabilities of signal processing and measurement systems.
Latest Patents
One of her latest patents is an "Apparatus and method for measuring frequency response function." This invention involves generating a plurality of relatively prime excitation waveforms that are applied to an object to be measured. The data from these waveforms, along with the response waveform from the object, are extracted and subjected to Fourier transform. This process allows for the calculation of a frequency response function based on averaged spectral matrices.
Another notable patent is the "Distortion measuring system method utilizing signal suppression." This method provides a way to test and measure distortion in electrical devices. It involves a signal generator that produces a known signal, which is then analyzed by a measuring unit to determine distortion factors. This innovation is particularly useful for testing signal reproducing devices, such as compact disc players and video tape recorders.
Career Highlights
Hiromi Kosawa is currently employed at Adv Antest Corporation, where she continues to develop innovative solutions in measurement technology. Her expertise in signal processing has positioned her as a key figure in her field.
Collaborations
Throughout her career, she has collaborated with notable colleagues, including Takahiro Yamaguchi and Toshiharu Kasahara. These partnerships have contributed to the advancement of her research and the successful development of her patents.
Conclusion
Hiromi Kosawa's contributions to measurement technology through her innovative patents have significantly impacted the field. Her work continues to inspire advancements in signal processing and distortion testing.