This inventor holds 5 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1991-2000.
Company Filing History:
Years Active: 1991-2000
Title: Masaaki Ueki: Innovator in Audio Signal Technology
Introduction
Masaaki Ueki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of audio signal technology, holding a total of 5 patents. His work focuses on enhancing the quality and efficiency of audio recording and reproduction.
Latest Patents
Ueki's latest patents include an "Audio signal transmitting apparatus and the method thereof." This invention involves a recording and/or reproducing apparatus designed for digital audio signals on recording mediums such as magnetic tape. The apparatus features a recording and/or reproducing unit, an analog-to-digital converter, a decimation filter, and a noise shaper. The recording unit operates at a speed that is at least double the relative moving speed of the head and the recording medium. The analog-to-digital converter transforms input analog audio signals into digital signals with a sampling frequency that exceeds the audio frequency band. The decimation filter then reduces the sampling frequency of the digital signal, while the noise shaper converts the digital signal from m-bit to n-bit, effectively suppressing noise within the audio frequency band.
Another notable patent is the "Method and apparatus for higher resolution audio signal transmitting." This invention shares similar components and functionalities with the previous patent, emphasizing the importance of high-quality audio signal processing.
Career Highlights
Masaaki Ueki is currently employed at Sony Corporation, a leading company in the electronics and entertainment industry. His work at Sony has allowed him to push the boundaries of audio technology, contributing to advancements that benefit consumers and professionals alike.
Collaborations
Ueki has collaborated with notable coworkers such as Makoto Yamada and Toshihiko Masuda. Their combined expertise has fostered innovation and creativity within their projects.
Conclusion
Masaaki Ueki's contributions to audio signal technology exemplify the impact of innovation in enhancing audio quality. His patents reflect a commitment to advancing the field, making him a significant figure in the industry.