Shigeo Tanji

Title: **Shigeo Tanji: Innovator in Magnetic Sensor Technology**

Introduction

Shigeo Tanji is an accomplished inventor based in Kawasaki, Japan. He has made significant contributions to the field of sensor technology with a remarkable portfolio of six patents. His work primarily focuses on advancements in magnetic sensors and input detection systems, showcasing his expertise and innovative spirit.

Latest Patents

Shigeo Tanji's latest patents include two notable inventions:

1. **Magnetoresistance Effect Element Sensor**: This invention addresses the challenge of maintaining detection sensitivity in magnetic sensors. It involves a magnetic sensor that includes a magnetoresistance effect element structured to prevent sensitivity deterioration caused by the inversion of magnetization in ferromagnetic thin film stripes. The unique arrangement positions the effect element away from the center of a cylindrical magnet's magnetic pole surface, allowing for a bias magnetic field to align the magnetization, thus stabilizing detection sensitivity even with repeated external magnetic field applications.

2. **Input Detecting Apparatus for a Switching Matrix**: This patent presents a method for detecting input operations in a switching matrix comprised of multiple switches. It introduces a system capable of discerning sneaky signal current due to overlapping key activations. The configuration features both a driver circuit and a detecting circuit alongside multiple lines, allowing sophisticated detection capabilities that enhance the efficiency of matrix switching.

Career Highlights

Shigeo Tanji is an inventor at Fujitsu Corporation, where he has honed his skills in the realm of electronic devices and sensors. His dedication to improving magnetic sensor technology is a testament to his innovative mindset. His inventions reflect not only technical prowess but also a deep understanding of practical applications in the electronic industry.

Collaborations

Throughout his career, Shigeo Tanji has collaborated with notable individuals such as Noboru Wakatsuki and Kazutoshi Hayashi. Working alongside fellow innovators has allowed him to enhance his projects and leverage complementary expertise in the field of technology.

Conclusion

Shigeo Tanji is a prominent figure in the realm of sensor innovation, whose contributions have significantly influenced the industry. His patents illustrate his commitment to advancing technology, particularly in magnetic sensors and detection systems. As a respected inventor, Tanji continues to pave the way for future innovations, solidifying his legacy in the world of invention and innovation.