Tokuji Kuroda

Title: Tokuji Kuroda: Innovator in Video Signal Technology

Introduction

Tokuji Kuroda is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of video signal technology, holding a total of 4 patents. His work has focused on enhancing the recording and playback of video signals, particularly in relation to copyright protection.

Latest Patents

Kuroda's latest patents include a "Video signal recording apparatus for copyrighted works." This invention features a copyright information detecting unit that extracts copyright information from a video signal. It also includes an active period decision signal generating unit that detects the active pixel period of the video signal. The apparatus generates a third video signal by replacing the first video signal with a second video signal that represents a non-copyrighted work during the active pixel period when necessary. Another significant patent is the "Record and playback device," which changes the number of outer parities added to audio data based on the frame frequencies of a video signal. This innovation allows for an increased recording bit rate while maintaining the original video and audio data formats.

Career Highlights

Kuroda has worked at Matsushita Electric Industrial Co., Ltd., a company known for its advancements in electronics and technology. His role has allowed him to contribute to various innovative projects that have shaped the industry.

Collaborations

Throughout his career, Kuroda has collaborated with notable colleagues, including Tatsushi Bannai and Shiro Kato. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tokuji Kuroda's contributions to video signal technology demonstrate his innovative spirit and commitment to advancing the field. His patents reflect a deep understanding of the complexities involved in video recording and playback, particularly concerning copyright issues.