Company Filing History:
Years Active: 2009-2014
Title: Hiroyuki Mitome: Innovator in Crystal Oscillator Technology
Introduction
Hiroyuki Mitome is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of crystal oscillator technology, holding a total of 5 patents. His innovative designs have advanced the functionality and efficiency of crystal oscillators, which are essential components in various electronic devices.
Latest Patents
One of Mitome's latest patents is the "Oven-controlled crystal oscillator." This invention features a crystal unit and a thermistor with negative resistance-temperature characteristics housed in a thermostatic oven. The oven is heated by a heater, and a transistor driving the heater is controlled by a differential amplifier's output. The thermistor is strategically placed to optimize temperature control, ensuring the crystal unit operates at its zero temperature coefficient point.
Another notable patent is the "Surface mounted crystal oscillator." This design incorporates a metal base with multiple protrusions that engage with standing metal pins in a base board. A circuit board is fitted to the upper end of the metal pins, and a crystal resonator is arranged on the circuit board via a heater element. The sealed structure of the crystal resonator enhances its reliability and performance.
Career Highlights
Hiroyuki Mitome works at Nihon Dempa Kogyo Co., Ltd., a company renowned for its expertise in crystal technology. His work has not only contributed to the company's success but has also positioned him as a key figure in the industry. His innovative spirit and technical skills have led to advancements that benefit various electronic applications.
Collaborations
Mitome collaborates with talented coworkers, including Manabu Ito and Takeo Oita. Their combined expertise fosters a creative environment that drives innovation and enhances the development of cutting-edge technologies.
Conclusion
Hiroyuki Mitome's contributions to crystal oscillator technology exemplify the impact of innovation in the electronics industry. His patents reflect a commitment to advancing technology and improving device performance. Through his work at Nihon Dempa Kogyo Co., Ltd., he continues to influence the field and inspire future innovations.