Company Filing History:
1 out of 678 
1 out of 13,262 Years Active: 2015-2016
Title: Masashi Uchida: Innovator in D/A Converter Technology
Introduction
Masashi Uchida is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of digital-to-analog (D/A) converters and audio systems. With a total of two patents to his name, Uchida's work showcases his expertise and innovative spirit.
Latest Patents
Uchida's latest patents include a current type D/A converter, delta sigma modulator, and a communications device. This D/A converter features multiple D/A converter elements, each equipped with current sources that supply output currents to output nodes. The design incorporates first switches to control these output currents, which are connected to a capacitor section with second switches and a capacitive load. Additionally, the D/A converter includes a switch control circuit that manages the first switches in response to digital signals and also controls the second switches based on the ON/OFF state of the first switches. Another notable patent is for a DAC device and audio system, which employs a distortion correction function derived from frequency analysis of an analog output signal. This system determines a correction value based on the input digital signal and utilizes a nonlinear correction circuit to enhance audio quality.
Career Highlights
Throughout his career, Uchida has worked with notable companies such as Socionext Inc. and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technology in the audio and communications sectors.
Collaborations
Uchida has collaborated with talented individuals in his field, including Yosuke Mitani and Takashi Morie. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Masashi Uchida's contributions to D/A converter technology and audio systems highlight his role as a key innovator in the industry. His patents reflect a commitment to enhancing audio quality and advancing communication devices.
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