Kenichi Katagishi

Title: Kenichi Katagishi: Innovator in Sensor Technology

Introduction

Kenichi Katagishi, located in Hitachinaka, Japan, is a prominent inventor known for his contributions to sensor technology and automotive engineering. With a total of seven patents to his name, Katagishi has made significant advancements in the fields of rotational position sensors and gas flow meters.

Latest Patents

Among his latest innovations is the rotational position sensor, designed with a compact and straightforward structure. This sensor features a magnetic surface that can be accurately shaped, enhancing its efficiency. The patented rotational position sensor consists of a pair of substantially half-disk-shaped magnetic cores positioned opposite each other, with a magnetic sensitive device situated between them. It includes arc-shaped magnetic cores that encircle the half-disk cores and a permanent magnet that interacts with these components. The magnetic flux generated by the permanent magnet flows through the cores, allowing the sensor to detect changes in magnetic flux as rotation occurs.

Additionally, Katagishi developed an electronically controlled throttle device for internal combustion engines, which utilizes the rotational position sensor. This innovation plays a critical role in enhancing engine performance and efficiency.

Another of his notable patents is a gas flow meter. This innovative device employs a gas flow detection circuit that measures the current flowing through a resistor within the gas passage. It also has a noise reduction circuit to minimize external interference and a digital adjusting circuit that fine-tunes the detected gas flow signal for accurate output representation.

Career Highlights

Kenichi Katagishi's career includes significant roles at leading companies such as Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd. His work within these organizations has driven him to the forefront of his field, allowing him to pioneer several influential technologies.

Collaborations

Throughout his career, Katagishi has collaborated with esteemed colleagues, including Noboru Sugiura and Takafumi Matsumura. These partnerships have fostered a creative environment that has contributed to the successful development of innovative technologies.

Conclusion

Kenichi Katagishi's body of work exemplifies his commitment to innovation in sensor technology and automotive solutions. His patents reflect a deep understanding of engineering principles and a dedication to advancing technology for practical applications. As he continues to innovate, his contributions will undoubtedly influence the future of these critical technological areas.