This inventor holds 2 USPTO granted patents. Top assignee: Megachips Corporation. Active years: 2017-2019.
Company Filing History:
Years Active: 2017-2019
Title: Hidetoshi Tsubota: Innovator in Frequency Calibration Technology
Introduction
Hidetoshi Tsubota is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of frequency calibration technology. With a total of 2 patents to his name, Tsubota has developed innovative solutions that enhance the accuracy and efficiency of electronic systems.
Latest Patents
Tsubota's latest patents include a frequency calibration circuit and a frequency calibration method. The frequency calibration circuit utilizes a digital phase-locked-loop circuit that performs a calibration operation. This operation involves outputting a digital control signal based on the time difference between two clock signals from different oscillators. The method adjusts the capacitance of a discrete type capacitor bank to calibrate the phase of the second clock signal to match that of the first clock signal.
Another significant patent is the clock phase adjustment mechanism of a ring oscillator using a phase control signal. This invention features a voltage-controlled oscillator that includes a ring oscillator with multiple differential inverter circuits. The phase controller manages the output of a specific differential inverter circuit, allowing for precise control over the logic signals produced by the oscillator.
Career Highlights
Hidetoshi Tsubota is currently employed at Megachips Corporation, where he continues to innovate in the field of electronics. His work focuses on enhancing the performance of frequency calibration systems, which are crucial for various applications in modern technology.
Collaborations
Tsubota collaborates with Hideyuki Sato, a fellow innovator in the field. Their combined expertise contributes to the advancement of technology at Megachips Corporation.
Conclusion
Hidetoshi Tsubota is a prominent figure in the realm of frequency calibration technology. His patents reflect his commitment to innovation and excellence in electronic systems. Through his work, Tsubota continues to influence the industry and pave the way for future advancements.