Company Filing History:
3 out of 25,543 
1 out of 22 Years Active: 1993-1997
Title: Innovations of Yuji Nishiwaki
Introduction
Yuji Nishiwaki is a notable inventor based in Nara, Japan. He has made significant contributions to the field of signal processing, particularly in the encoding and reproduction of voice signals. With a total of 4 patents to his name, his work has had a considerable impact on technology.
Latest Patents
Nishiwaki's latest patents include a signal reproducing device designed for reproducing voice signals from vector-quantized coded data. This device extracts coded data one by one and uses initial values in a recurrence equation to generate patterns for reproduction. The generated patterns are then sequentially output as reproduction data. Another significant patent is a signal encoding device that divides a voice signal into subsignals and generates data trains by applying initial values to a recurrence equation. The device calculates the distance between produced patterns and subsignals to identify the pattern that minimizes this distance, ultimately outputting coded data representing the respective subsignal.
Career Highlights
Throughout his career, Yuji Nishiwaki has worked with prominent companies, including Sharp Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in signal processing.
Collaborations
Nishiwaki has collaborated with notable colleagues such as Yasumoto Murata and Shuichi Yoshikawa. Their teamwork has likely fostered advancements in their respective fields.
Conclusion
Yuji Nishiwaki's contributions to signal processing through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of voice signal technology.