Location History:
- Kanagawa, JP (2019)
- Tokyo, JP (2020)
Company Filing History:
Years Active: 2019-2020
Title: Chiaki Kumahara: Innovator in Temperature Measurement Technology
Introduction
Chiaki Kumahara is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of temperature measurement technology. With a total of two patents to her name, her work focuses on enhancing the reliability and efficiency of temperature sensors.
Latest Patents
Kumahara's latest patents include a "Temperature Measurement Circuit and Method" and a "Microcomputer Unit." The temperature measurement circuit is designed to detect failures in temperature sensors while minimizing circuit scale. It incorporates temperature sensors and a comparator. The temperature sensor features a detection unit with a resistive element, whose resistance value changes with temperature variations. An AD converter converts the voltage from the temperature detection unit into a digital temperature value. Additionally, the temperature sensor includes a ring oscillator that generates a temperature-dependent oscillating signal, which is used to produce a digital value. The comparator then compares the digital temperature values and outputs a signal indicating the operational status of the temperature sensor.
The second patent, the "Semiconductor Device and Electronic Apparatus," describes a semiconductor device that integrates functional blocks and a temperature sensor. This device can switch between continuous and intermittent operation modes for measuring chip temperature, depending on its operational state.
Career Highlights
Chiaki Kumahara is currently employed at Renesas Electronics Corporation, where she continues to innovate in the field of semiconductor technology. Her work has been instrumental in advancing temperature measurement systems, which are critical in various electronic applications.
Collaborations
Kumahara has collaborated with notable colleagues, including Tetsuhiro Koyama and Masaaki Hirano, contributing to the development of cutting-edge technologies in her field.
Conclusion
Chiaki Kumahara's contributions to temperature measurement technology exemplify her innovative spirit and dedication to advancing electronic systems. Her patents reflect her commitment to improving the reliability of temperature sensors, making her a key figure in the industry.