This inventor holds 3 USPTO granted patents. Top assignees: Hitachi Maxell, Limited, Nii Data Communications Systems Corporation, Ntt Data Communications Systems Corporation. Active years: 1993-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 1,112 
1 out of 1 
1 out of 15 Years Active: 1993-1995
Title: Yosuke Katayama: Innovator in Non-Contact Communication Technologies
Introduction
Yosuke Katayama is a notable inventor based in Toride, Japan. He has made significant contributions to the field of non-contact communication technologies, holding a total of 3 patents. His work focuses on improving the efficiency and functionality of IC card communication systems.
Latest Patents
One of Katayama's latest patents is a non-contact, electromagnetically coupled transmission and receiving system. This innovation reduces the power consumption of a driver in a reader/writer while minimizing the size of the power supply circuit. The driver operates with low output impedance, and a current detecting circuit is employed to monitor the transceiver coil's current. This system ensures that the driver maintains a constant voltage output, even when the load changes during data reading from an IC card. Additionally, the high-frequency output voltage amplitude is minimized, enhancing the overall efficiency of the communication process.
Another significant patent by Katayama is for a non-contact IC recording medium. This medium facilitates data transmission and reception without direct contact with a reader/writer. It includes multiple circuits that work together to generate clock signals, process data, and manage the transfer of information efficiently. This innovation represents a leap forward in the functionality of non-contact data systems.
Career Highlights
Throughout his career, Yosuke Katayama has worked with prominent companies such as Hitachi Maxell, Limited and Nii Data Communications Systems Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in communication technology.
Collaborations
Katayama has collaborated with notable colleagues, including Wasao Takasugi and Toshiharu Ieki. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Yosuke Katayama's contributions to non-contact communication technologies have made a significant impact in the field. His innovative patents and collaborations highlight his dedication to advancing technology in this area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile