Akihiro Ashida

Title: Akihiro Ashida: Innovator in Inverter Technology

Introduction

Akihiro Ashida, an esteemed inventor based in Hitachinaka, Japan, holds a remarkable portfolio of seven patents. His innovative contributions primarily focus on inverter technology and electric vehicle systems, showcasing his commitment to advancing the field.

Latest Patents

Among his latest inventions, Ashida has developed an inverter control device and an electric vehicle system. The inverter control device includes a Pulse Width Modulation (PWM) control unit that generates a PWM pulse for managing an inverter. Additionally, it features a pulse edge control unit that corrects the phase of the PWM pulse, ensuring that the pulse edge aligns within a predetermined range relative to the modulation wave's zero cross point. This enhancement helps suppress deviations between the detection results of the inverter's output current and actual current. The device incorporates a current detection unit that monitors the three-phase AC current, enabling the inverter control device to adjust its functions based on these detection values, thus correcting potential errors resulting from filter delays.

Career Highlights

Throughout his career, Akihiro Ashida has made significant strides while working with notable companies such as Hitachi Astemo Ltd. and Hitachi Automotive Systems, Ltd. His expertise and innovative mindset have allowed him to contribute extensively to various projects focusing on improving inverter technology and electric vehicle systems.

Collaborations

In his journey of innovation, Ashida has collaborated with esteemed colleagues, including Toshiyuki Ajima and Takafumi Hara. Together, they have worked on pivotal projects that reflect the synergy and teamwork necessary to push the boundaries of technological advancements in their field.

Conclusion

Akihiro Ashida's ingenuity shines through his patents and collaborations, highlighting his role as a prominent figure in the realm of inverter technology. As the automotive industry increasingly leans towards electric solutions, his contributions remain essential in shaping a sustainable future.