Location History:
- Kanagawa, JP (1990)
- Yokohama, JP (1992 - 1993)
Company Filing History:
3 out of 42,508 
2 out of 66 
1 out of 2,861 
Years Active: 1990-1993
Title: Yuuji Hatanaka: Innovator in PCM Signal Technology
Introduction
Yuuji Hatanaka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of PCM (Pulse Code Modulation) signal technology. With a total of 3 patents to his name, Hatanaka's work has had a considerable impact on audio and data recording technologies.
Latest Patents
Hatanaka's latest patents include a PCM signal reproducing/recording apparatus. This innovative apparatus comprises a reproducing device that can reproduce a recording medium carrying PCM data and sub-code data. The sub-code data includes sub-data and sub-ID, which add auxiliary information to the PCM data. Additionally, the recording device is designed to selectively record the sub-code data deemed correct onto a recording medium. This technology enhances the accuracy and reliability of PCM data recording and reproduction.
Career Highlights
Throughout his career, Yuuji Hatanaka has worked with prominent companies such as Hitachi, Ltd. and Pioneer Electric Corporation. His experience in these leading organizations has allowed him to develop and refine his expertise in signal processing and recording technologies.
Collaborations
Hatanaka has collaborated with notable colleagues, including Hiroo Okamoto and Shin-ichi Wakumura. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Yuuji Hatanaka's contributions to PCM signal technology demonstrate his commitment to innovation and excellence in the field. His patents reflect a deep understanding of audio and data recording, making him a significant figure in the industry.