This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignees: National Institute of Advanced Industrial Science and Technology, National Institute of Advance Industrial, Site Sensing Inc.. Active years: 2007-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaraki, JP (2007 - 2019)
- Tsukuba, JP (2011 - 2020)
Company Filing History:

Years Active: 2007-2026
Title: Masakatsu Kourogi: Innovator in Direction Estimation Technologies
Introduction
Masakatsu Kourogi is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of direction estimation technologies, holding a total of 9 patents. His work focuses on devices and methods that enhance the accuracy of travel direction estimation for moving bodies.
Latest Patents
Kourogi's latest patents include several innovative devices. One of his notable inventions is the estimated-azimuth-angle assessment device, which features an azimuth histogram generating section for obtaining the appearance frequency of estimated azimuths. This device evaluates whether the frequency shows a tendency observed when an azimuth is properly estimated under specific conditions. Another significant invention is the travel direction estimation device, which utilizes an accelerometer and an angular velocity sensor to efficiently estimate the travel direction of a moving body.
Career Highlights
Throughout his career, Kourogi has worked with esteemed organizations such as the National Institute of Advanced Industrial Science and Technology. His research and inventions have played a crucial role in advancing technologies related to navigation and movement tracking.
Collaborations
Kourogi has collaborated with notable colleagues, including Takeshi Kurata and Takashi Okuma. Their combined expertise has contributed to the development of innovative solutions in the field of direction estimation.
Conclusion
Masakatsu Kourogi's work exemplifies the impact of innovation in technology, particularly in the realm of direction estimation. His patents reflect a commitment to enhancing the accuracy and efficiency of navigation systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile