Introduction: Hisashi Kadowaki, an accomplished inventor located in Chita-gun, Japan, has significantly contributed to the field of automotive technology with 14 patents to his name. His innovations focus primarily on enhancing engine performance and efficiency through advanced control mechanisms.

Latest Patents: Kadowaki's latest patents include a control device for engine valves and a control system for engines. The control device employs a variable valve timing mechanism where the rotational phase difference between a camshaft and a crankshaft is meticulously controlled via an oil control valve. This mechanism utilizes an operational signal that combines a feedback correction amount, based on the discrepancy between actual and target values of the rotational phase difference, with a holding learning value.

Another notable patent is the atmospheric pressure sensing apparatus. In this technology, an Electronic Control Unit (ECU) calculates a guard value (K) which limits the rate of change in measured atmospheric pressure from an atmospheric pressure sensor over time. This guard value corresponds to the expected fluctuation in atmospheric pressure due to changes in altitude, thereby enhancing the reliability and accuracy of atmospheric pressure readings.

Career Highlights: Throughout his career, Hisashi Kadowaki has been affiliated with prominent companies such as Denso Corporation and Nippondenso Co., Ltd. His work in these organizations has led to groundbreaking advancements in automotive technologies, particularly related to engine control systems.

Collaborations: In the course of his career, Kadowaki has collaborated with esteemed professionals including Keiji Wakahara and Junya Morikawa. These partnerships have likely furthered innovation and development in automotive engineering, reflecting the collaborative nature of research and development in the field.

Conclusion: Hisashi Kadowaki stands out as a significant figure in the realm of automotive innovation, with a robust portfolio of patents that illustrate his dedication to enhancing engine performance through advanced control systems. His work continues to influence the automotive industry, setting a benchmark for future innovations.

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