Yoji Ogura

Title: Yoji Ogura: Innovator in Power Conversion and Air Conditioning Technology

Introduction

Yoji Ogura is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of power conversion and air conditioning technology. With a total of 2 patents, Ogura's work focuses on enhancing the efficiency and performance of electrical systems.

Latest Patents

Ogura's latest patents include a power converter and a refrigeration air conditioner. The power converter patent describes a system that optimally performs boosting operations and intermittent energization operations in accordance with input or output requirements. This innovative converter is capable of boosting a DC voltage through a unique switching operation that alternates between shorting and rectification. Additionally, the inverter included in this system can perform intermittent energization, effectively converting the boosted DC voltage into three-phase AC power.

The refrigeration air conditioner patent addresses user discomfort caused by vibrations and noises from the compressor and piping. This air conditioner features a motor-driven compressor and a speed detector that monitors the motor's rotation speed. The drive mode controller is designed to decelerate the motor to a speed equal to or lower than the resonance frequency between the compression mechanism and the refrigerant piping, thereby reducing discomfort for users.

Career Highlights

Yoji Ogura is currently employed at Hitachi-Johnson Controls Air Conditioning, Inc. His work at this company has allowed him to collaborate with other talented professionals in the field, further enhancing his contributions to innovative technologies.

Collaborations

Some of Ogura's notable coworkers include Kazuhiro Ueta and Kenji Tamura. Their collaborative efforts have played a significant role in advancing the projects they work on together.

Conclusion

Yoji Ogura's innovative patents in power conversion and air conditioning technology demonstrate his commitment to improving user experience and system efficiency. His work continues to influence the industry and pave the way for future advancements.