Location History:
- Kanagawa, JP (2016)
- Tokyo, JP (2022)
Company Filing History:
2 out of 308 
1 out of 1,440 
Years Active: 2016-2022
Title: Seiji Takeuchi: Innovator in FMCW Radar Technology
Introduction
Seiji Takeuchi is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of radar technology, particularly in frequency-modulated continuous wave (FMCW) radar systems. With a total of two patents to his name, Takeuchi's work focuses on enhancing the capabilities of sensor devices and systems.
Latest Patents
Takeuchi's latest patents include a "Sensor device and system" and a "Biometric sensing method and system." The sensor device utilizes FMCW radar to detect objects. It features a signal processing unit that acquires reception signals based on the radar's reception wave, allowing for effective object sensing. Additionally, a phase converting unit tracks the object by monitoring phase information. The system also includes a transceiving unit that transmits and receives FMCW radar signals.
Another notable patent is the "Phase calibration circuit and method for multi-channel radar receiver." This invention addresses the need for multiple radar receiver chips to maintain low phase offsets. It is crucial for beamforming in FMCW radar systems, which are widely used in vehicle collision-avoidance and adaptive cruise control systems. The inventive circuit allows for phase adjustments across multiple receivers using a single local oscillator reference.
Career Highlights
Throughout his career, Seiji Takeuchi has worked with notable organizations, including Asahi Kasei Microdevices Corporation and North Carolina State University. His experience in these institutions has contributed to his expertise in radar technology and sensor systems.
Collaborations
Takeuchi has collaborated with esteemed colleagues such as Willem Johan Stapelbroek and Brian Allan Floyd. Their joint efforts have further advanced the field of radar technology and its applications.
Conclusion
Seiji Takeuchi's innovative work in FMCW radar technology has led to significant advancements in sensor devices and systems. His contributions continue to impact various industries, particularly in automotive safety and control systems.