This inventor holds 1 USPTO granted patent. Top assignee: Kyocera Corporation. Active years: 1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1998
Title: The Innovations of Youji Suwa
Introduction
Youji Suwa is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of telecommunications, particularly in the development of oscillation circuits for portable telephones. His innovative approach has led to advancements that enhance the performance and reliability of mobile devices.
Latest Patents
Youji Suwa holds a patent for a "Digital control type oscillation circuit of portable telephone." This invention utilizes a CPU, memory, temperature sensor, D/A converter, and A/D converter as control elements. The oscillation circuit includes a crystal resonator and a variable-capacitance diode. The patent addresses temperature compensation of the output frequency, which is crucial for maintaining consistent performance in portable telephones. The memory stores control information to correct output frequency drift caused by temperature changes. The temperature sensor detects the oscillation circuit's temperature, converting it into a digital value through the A/D converter. The CPU then applies the necessary adjustments to the variable-capacitance diode via the D/A converter, ensuring the output frequency remains stable.
Career Highlights
Youji Suwa is associated with Kyocera Corporation, where he has contributed to various projects and innovations. His work has been instrumental in enhancing the functionality of portable communication devices. His expertise in oscillation circuits has positioned him as a valuable asset in the field of telecommunications.
Collaborations
Throughout his career, Youji Suwa has collaborated with talented individuals such as Youji Nonaka and Yuji Ishida. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Youji Suwa's contributions to the field of telecommunications, particularly through his patented innovations, have significantly impacted the industry. His work exemplifies the importance of continuous innovation in enhancing the functionality of portable devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile