Location History:
- Tokyo, JP (2006 - 2008)
- Hachioji, JP (2008)
- Saitama, JP (2013)
Company Filing History:
5 out of 3,106 
2 out of 4,979 
1 out of 158 
Years Active: 2006-2013
Title: **Innovator Kei Yamada: Pioneering Sound Separation Technologies**
Introduction
Kei Yamada is a distinguished inventor based in Tokyo, Japan, who holds a remarkable portfolio of 8 patents. His innovative work primarily focuses on advancing sound separation technologies, making significant contributions in various fields.
Latest Patents
One of Yamada's latest inventions is the "Source Sound Separator with Spectrum Analysis through Linear Combination and Method Therefor." In this invention, he harnesses sound signals from two microphones positioned at a distance apart to generate predominant spectra for both target and interfering sounds. The technology emphasizes the desired target sound while effectively suppressing unwanted noise. Through sophisticated processing, the apparatus distinguishes between the target sound and interference, showcasing Yamada's pioneering approach in audio technology.
Another notable patent from Yamada is the "Multiplication Remainder Calculator." This innovative circuit introduces a method for adding partial products to a provisional remainder using the lower bits of a number alongside a multiplier factor. The invention facilitates efficient Montgomery multiplication, enabling the rapid calculation of multiple numbers with reduced complexity. These advancements highlight Yamada’s expertise in both audio processing and computational technologies.
Career Highlights
Kei Yamada's impressive professional background includes significant contributions to prominent companies such as Konica Corporation and Oki Electric Industry Co., Ltd. His experience in these firms allowed him to refine his skills and expertise, paving the way for his numerous inventions.
Collaborations
Throughout his career, Yamada has worked alongside talented individuals such as Tetsuo Kimoto and Tomoya Yoshida. Collaborating with such accomplished coworkers has fueled further innovation and led to groundbreaking inventions in sound technology.
Conclusion
Kei Yamada's contributions to the field of sound separation and computational technologies reflect his innovative spirit and dedication to advancing the industry. With a growing list of patents and collaborations with esteemed professionals, Yamada continues to shape the future of audio technology through his inventive prowess.