Takashi Irie

Title: **Innovative Contributions of Takashi Irie in Vehicle Positioning Technologies**

Introduction

Takashi Irie, based in Tokyo, Japan, is a prolific inventor with an impressive portfolio of 35 patents. His work primarily focuses on advancements in vehicle positioning technologies, where he has pioneered new methods and devices that significantly enhance the accuracy and reliability of navigation systems.

Latest Patents

Among his recent innovations, Takashi Irie has developed a positioning device and positioning method designed for locator devices. This device employs a dead reckoning component that calculates the position of a subject vehicle through dead reckoning techniques. Furthermore, it incorporates a pseudorange smoothing mechanism that refines the pseudorange measurement between a GNSS satellite and the vehicle's location, utilizing the carrier wave phase from the satellite.

The invention also features a GNSS receiver positioning error evaluation system, which assesses the reliability of the calculated position by the multi-GNSS receiver. Additionally, it utilizes the Kalman Filter method to determine the vehicle's position based on a smoothed pseudorange value, positioning augmentation signals, and the satellite's orbit. Moreover, it has a complex positioning system that corrects the dead reckoning position based on the calculated error, ensuring precise navigation.

Another notable patent by Irie is a vehicle position estimation apparatus that accurately tracks a vehicle's position on the road. This device features a painted line recognition component that determines lane changes and the direction of those changes. It also includes a lateral position calculating unit that assesses the vehicle's position within the lane and an on-map vehicle position calculating unit that utilizes map information to compute the vehicle's precise on-road location.

Career Highlights

Takashi Irie's career has been marked by his association with leading firms in the technology sector. He has made significant contributions during his tenure at Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His innovations have had a substantial impact on the automotive and navigation industries, pushing the boundaries of vehicle positioning systems.

Collaborations

Throughout his career, Takashi has collaborated with notable colleagues such as Kumi Nishibashi and Masahiko Ikawa. These collaborations have fostered an environment of innovation, allowing for the exchange of ideas and expertise that have further advanced the field of vehicle positioning technology.

Conclusion

Takashi Irie's contributions to the field of vehicle positioning are remarkable and reflect his dedication to innovation. With 35 patents to his name, his work continues to influence how vehicles navigate in an increasingly complex world. As technology evolves, Irie's inventions will undoubtedly play a crucial role in shaping the future of transportation.