Company Filing History:
Years Active: 2017-2019
Title: Hirokazu Chiyonobu: Innovator in Positioning Technology
Introduction
Hirokazu Chiyonobu is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of positioning technology, holding a total of 3 patents. His work focuses on enhancing the accuracy and reliability of positioning devices, particularly for moving bodies such as vehicles.
Latest Patents
Chiyonobu's latest patents include innovative methods for improving positioning devices. One notable patent is a positioning method that aims to modify a built-in clock error of a moving body to increase the accuracy of velocity measurements. This device incorporates a built-in clock error estimating unit that assesses the clock error based on the difference between a delta range and a calculated range rate. Additionally, it features a range rate estimating unit that calculates the vehicle's stop range rate using GPS satellite data and modifies the calculated range rate accordingly.
Another significant patent is a positioning device designed to reliably and frequently correct a vehicle's position. This invention includes a GPS receiver and a GPS position calculating unit that determines pseudo distances to GPS satellites. It also evaluates multipath influences on the GPS position, ensuring accurate positioning even in challenging environments.
Career Highlights
Hirokazu Chiyonobu is associated with Mitsubishi Electric Corporation, where he has been instrumental in developing advanced positioning technologies. His expertise in this field has led to the creation of innovative solutions that enhance vehicle navigation and positioning accuracy.
Collaborations
Chiyonobu has collaborated with notable colleagues, including Tadatomi Ishigami and Atsushi Maeda. Their combined efforts have contributed to the advancement of positioning technologies within the industry.
Conclusion
Hirokazu Chiyonobu's contributions to positioning technology reflect his dedication to innovation and excellence. His patents demonstrate a commitment to improving the accuracy and reliability of positioning devices, making significant strides in the field.