Location History:
- Higashimurayama, JP (1999)
- Chiyoda-ku, JP (2017 - 2018)
- Tokyo, JP (1993 - 2024)
Company Filing History:
16 out of 15,928 
3 out of 360 
2 out of 21,351 
Years Active: 1993-2025
Title: Yoshiaki Konishi: A Pioneer in Error Correction Technologies
Introduction
Yoshiaki Konishi, a distinguished inventor based in Tokyo, Japan, holds an impressive portfolio of 20 patents. His contributions to the field of error correction coding and optical transmission technologies have marked him as a significant figure in the realm of innovations.
Latest Patents
Among his latest innovations, Konishi has developed two notable patents:
1. **Error Correction Coding Apparatus** – This apparatus employs an error correction code sequence utilizing a frame of m bits and n symbols input in an m-bit parallel configuration. It features an error correction coding circuit that generates parity bits from known bits in a specified bit sequence. A selector then replaces the known bits in the error correction code sequence with these newly generated parity bits.
2. **Optical Transmission Device and Likelihood Generation Circuit** – This device includes a symbol demapping unit and a likelihood generation circuit that produces likelihoods from reception signals. The error correction decoding unit executes soft decision decoding based on three different likelihoods derived from I-axis and Q-axis component signals, enhancing the efficiency of signal processing.
Career Highlights
Yoshiaki Konishi has made significant strides in his career, notably working with prominent companies like Mitsubishi Electric Corporation and Nikkiso Company Limited. His expertise in developing advanced technologies has played a crucial role in these organizations' innovations.
Collaborations
Throughout his career, Konishi has collaborated with esteemed colleagues, including Kazuo Kubo and Hideo Yoshida. Together, they have contributed to groundbreaking advancements in their respective fields, particularly in telecommunications and data transmission technologies.
Conclusion
Yoshiaki Konishi's work exemplifies the essence of innovation in the technology sector. With 20 patents to his name and a commitment to enhancing error correction and optical transmission systems, he continues to influence the landscape of communication technologies in Japan and beyond. His enduring legacy in this field positions him as a remarkable inventor of his time.