Shigehiro Kasumi

Title: **Shigehiro Kasumi: Innovator in Magnetic Detection Technology**

Introduction

Shigehiro Kasumi is a prominent inventor located in Kariya, Japan. He has made significant contributions to the field of magnetic detection technology with a total of two patents to his name. His innovations focus on solving complex issues related to the detection of movement in objects using advanced magneto-electric conversion devices.

Latest Patents

One of Shigehiro Kasumi's latest patents is a **Magnetic Detection Apparatus for Detecting Movement of an Object**. This apparatus addresses technical challenges such as excessive amplified output signals, nonuniform pulse periods, and intricate circuit configurations. The invention features a gear with a set of triangular teeth arranged uniformly at equal angular intervals, alongside a trapezoidal tooth designed to improve detection efficiency. The setup involves a bias magnet that creates a magnetic field directed toward the gear, which interacts with magneto-resistive devices. As the gear rotates, changes in the magnetic field are converted into an electrical signal, allowing for precise detection of the object’s position and rotational direction.

The second patent is a **Magnetic Detection Device Having a Magnet Including a Stepped Portion**. This device incorporates a biasing magnet that generates a magnetic field directed toward a magnetic material. It features a magnetoresistance effective element positioned at a 45-degree angle to the bias field, allowing for resistance changes that correspond with the movement of the detection object. The design includes a hollow portion in the magnet that holds the effective element in optimal proximity to the detection object.

Career Highlights

Shigehiro Kasumi is associated with Nippondenso Co., Ltd., a leading company dedicated to innovative automotive technology. His work has played a critical role in advancing magnetic detection systems, facilitating enhanced performance in various applications.

Collaborations

Throughout his career, Shigehiro has collaborated with talented coworkers, including Kenji Yagi and Ichiro Izawa. Together, they have pushed the boundaries of what is achievable in magnetic detection technology, fostering innovation and efficiency in their projects.

Conclusion

Shigehiro Kasumi's contributions to the field of magnetic detection are noteworthy, showcasing an inventive spirit dedicated to resolving complex technological challenges. His latest patents not only reflect his ingenuity but also highlight the importance of collaboration within innovative environments. As the industry continues to evolve, inventors like Kasumi play a vital role in shaping the future of technology.