Hirotaka Kunibe

Title: Hirotaka Kunibe: Innovator in Engine Control Technology

Introduction

Hirotaka Kunibe is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of engine control technology, holding 2 patents that showcase his innovative approach to enhancing the safety and efficiency of electrically driven loads.

Latest Patents

One of his latest patents is an "Electronic control unit for controlling electrically driven loads in enhanced fail safe manner." This invention features a first judgment circuit and a second judgment circuit that work together to set a judging signal high when a judgment data sent from a microprocessor indicates failure. The high-level judging signal triggers a forced idle command connected to a motor driver, ensuring that the motor is forcibly suspended in case of a fault. Additionally, when a reset command is accidentally transmitted by the microprocessor, the first judging signal resets to low level, while the second judging signal remains high, maintaining the forced idle command.

Another significant patent is the "Method and apparatus for controlling an engine using a cam signal." In this invention, an abnormality determining circuit assesses whether a crank signal is abnormal. If deemed abnormal, a switching circuit redirects the input signal from the crank signal to a cam signal. The edge interval measuring circuit then measures the edge interval of temporally adjacent same-directed edges of the cam signal. This allows the count-value control circuit to identify angular positions of a crankshaft based on the cam signal, initializing a count value accordingly.

Career Highlights

Hirotaka Kunibe is currently employed at Denso Corporation, a leading global automotive supplier. His work at Denso has allowed him to focus on developing advanced technologies that improve vehicle performance and safety.

Collaborations

Throughout his career, Kunibe has collaborated with talented individuals such as Hirokazu Komori and Tadaharu Nishimura. These collaborations have contributed to the successful development of innovative solutions in engine control technology.

Conclusion

Hirotaka Kunibe's contributions to engine control technology through his patents reflect his commitment to innovation and safety in the automotive industry. His work continues to influence advancements in this critical field.