This inventor holds 4 USPTO granted patents. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1978-1987.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Daito, JA (1978)
- Daito, JP (1982 - 1987)
Company Filing History:
Years Active: 1978-1987
Title: Akitoshi Yamada: Innovator in Sound Technology
Introduction
Akitoshi Yamada is a prominent inventor based in Daito, Japan. He has made significant contributions to the field of sound technology, holding a total of 4 patents. His work focuses on enhancing audio systems, particularly in challenging environments such as motor vehicles.
Latest Patents
One of Yamada's latest patents is an echo canceller. This innovative device includes means for reducing correlation in a receiving side input signal based on a linear prediction model. By treating the receiving side input signal as an output signal of the linear prediction model, the device improves the convergence rate for signals with strong correlation, such as speech, without significantly increasing the computational load or memory requirements.
Another notable patent is a sound reproduction system designed specifically for motor vehicles. This system utilizes two channel signals applied to loudspeakers within the passenger compartment. It features a transfer function converting circuit that alters the transfer functions between the listener and the speakers, a delay circuit to compensate for distance differences, and a reverberation circuit to enhance the audio experience. This design allows for a wider sound region, even in compact spaces.
Career Highlights
Akitoshi Yamada is currently employed at Matsushita Electric Industrial Co., Ltd., a company known for its innovative electronic products. His work there has been instrumental in advancing sound technology, particularly in automotive applications.
Collaborations
Yamada has collaborated with notable colleagues, including Yoichi Kimura and Yoshinobu Kikuchi. Their combined expertise has contributed to the development of cutting-edge audio technologies.
Conclusion
Akitoshi Yamada's contributions to sound technology, particularly through his patents, demonstrate his innovative spirit and commitment to enhancing audio experiences. His work continues to influence the industry and improve sound systems in various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile