Location History:
- Hamamatsu, JP (2013 - 2018)
- Anjo, JP (2021 - 2022)
Company Filing History:
Years Active: 2013-2022
Title: Innovations of Takeshi Togawa
Introduction
Takeshi Togawa is a notable inventor based in Anjo, Japan. He has made significant contributions to the field of audio technology, holding a total of six patents. His work primarily focuses on amplifying devices and circuits that enhance audio performance.
Latest Patents
One of his latest patents is a Class D amplifier. This innovative amplifier includes a self-oscillating class D amplification circuit that is driven by an output current signal. Additionally, it features a voltage-current converting circuit that outputs an output current signal in response to an input signal voltage and an output signal voltage from a feedback signal voltage. Another significant patent is for an amplifying device that includes a self-excited class D amplifier circuit and a band elimination filter. The self-excited class D amplifier circuit incorporates a modulation circuit that applies self-oscillating pulse modulation to an audio signal. This modulation circuit receives a synchronizing signal from a signal generation circuit, ensuring that the self-oscillation synchronizes effectively. The band elimination filter is designed to reduce components that belong to a frequency band, including the frequency of the synchronizing signal, in the output signal from the self-excited class D amplifier circuit.
Career Highlights
Takeshi Togawa is currently employed at Yamaha Corporation, a leading company in the audio equipment industry. His work at Yamaha has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for high-quality audio products.
Collaborations
Throughout his career, Takeshi has collaborated with talented individuals such as Masao Noro and Toshiro Mayuzumi. These collaborations have fostered a creative environment that has led to the development of groundbreaking audio technologies.
Conclusion
Takeshi Togawa's contributions to audio technology through his patents and work at Yamaha Corporation highlight his innovative spirit and dedication to enhancing sound quality. His inventions continue to influence the audio industry and inspire future advancements.