Kiyoshi Yokota

Title: Kiyoshi Yokota: Innovator in ADPCM Technology

Introduction

Kiyoshi Yokota is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to the field of digital signal processing, particularly in the development of ADPCM (Adaptive Differential Pulse Code Modulation) encoding and decoding circuits. His innovative work has paved the way for advancements in voice and data signal processing.

Latest Patents

Kiyoshi Yokota holds 1 patent for his invention related to ADPCM encoding and decoding circuits. This patent describes a system that includes an encoder with an adaptive predictor and an adaptive quantizer, as well as a decoder featuring an adaptive predictor and an inverse adaptive quantizer. The adaptive predictors are designed to handle input signals with time-varying frequency components, utilizing both adaptive-zero and adaptive-pole predictors. Additionally, a fixed-pole predictor is employed for signals with invariant frequency composition, enhancing the overall performance of the system.

Career Highlights

Yokota's career is marked by his association with Oki Electric Industry Co., Ltd., where he has made significant strides in the field of telecommunications and digital signal processing. His work has contributed to the development of technologies that improve the quality and efficiency of voice and data transmission.

Collaborations

Throughout his career, Kiyoshi Yokota has collaborated with notable colleagues, including Kenichiro Hosoda and Shinji Kawaguchi. These partnerships have fostered innovation and have been instrumental in advancing the technologies they have worked on together.

Conclusion

Kiyoshi Yokota's contributions to ADPCM technology exemplify his dedication to innovation in digital signal processing. His work continues to influence the field, making a lasting impact on how voice and data signals are processed and transmitted.