Shoji Konakahara

Title: Innovations by Shoji Konakahara

Introduction

Shoji Konakahara is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of power conversion technology. With a total of 2 patents, his work focuses on enhancing the efficiency and functionality of power conversion devices.

Latest Patents

Konakahara's latest patents include a power conversion device and a power regeneration apparatus. The power conversion device features a matrix converter circuit that performs bidirectional power conversion between alternating current power on a primary side and alternating current power on a secondary side. It includes a power conversion control unit that synchronizes the switching of elements with a carrier wave, allowing the secondary side's alternating current to follow a control command. Additionally, a carrier wave changing unit adjusts the frequency of the carrier wave based on the proximity of frequencies between the primary and secondary sides. The power regeneration apparatus consists of a power conversion unit, an AC reactor, and various detection units that work together to optimize power conversion and phase correction.

Career Highlights

Konakahara is associated with Kabushiki Kaisha Yaskawa Denki, a company known for its advancements in electrical engineering and automation. His work at Yaskawa Denki has allowed him to focus on innovative solutions in power conversion technology.

Collaborations

Some of his notable coworkers include Takahiro Saeki and Hideaki Iura, who contribute to the collaborative environment that fosters innovation at Yaskawa Denki.

Conclusion

Shoji Konakahara's contributions to power conversion technology reflect his dedication to innovation and efficiency. His patents demonstrate a commitment to advancing electrical engineering solutions.